[Bibliometric indicators and evaluation of the medical-scientific activity. I. Use and abuse of bibliometrics].
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Bibliometrics↗
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[Anales de Medicina Interna: standardization, dissemination and bibliometric indicators. (II) Bibliometric analysis].
National and international diffusion, composition of the collective of authors who publish in the journal, and cocitation were studies for the journal An. Med. Interna. Diffusion was analyzed by examining the presence of the journal in medical data bases and specialized libraries in Spain. The institutional affiliations and geographical location of authors were determined on the basis of the affiliations given in the article by-lines. The journal is included in the major medical data bases and in approximately 80% of the libraries studied. The predominant professional affiliation among authors was clinical (hospital); the geographical origin of the authors (expressed as a percentage of all authors) approximately paralleled the volume of scientific publications generated by each of Spain's 17 autonomous regions. The cocitation study showed that An. Med. Interna ranked somewhere in the middle of the group' of 38 Spanish medical journals considered representative of research being done in Spain.
Bibliometrics↗
Effectiveness of artificial intelligence in nursing simulation education: A systematic review, meta-analysis and bibliometric visualization analysis.
OBJECTIVES: To synthesize the roles and core functions of AI in nursing simulation education for nursing students via systematic review, quantitatively evaluate its effects on students' knowledge and skill outcomes through meta-analysis, and map the research landscape and development trends of this field through bibliometric visualization analysis. DESIGN: Systematic review, meta-analysis and bibliometric visualization analysis. DATA SOURCES: Eight electronic databases: PubMed, Web of Science, MEDLINE, ERIC, Academic Search Complete, China National Knowledge Infrastructure (CNKI), Wanfang Database, VIP Chinese Science and Technology Journal Database (VIP) were employed to search studies from the time of construction to 16 December 2025. REVIEW METHODS: Studies meeting the inclusion criteria were screened. The revised Cochrane Risk of Bias tool (ROB 2) and Joanna Briggs Institute (JBI) critical appraisal checklists were used for quality assessment. Meta-analysis was performed with Review Manager 5.4, and bibliometric visualization analysis was conducted using VOSviewer 1.6.20 and Bibliometrix (based on R4.4.3). RESULTS: A total of 61 studies were included. AI primarily played two roles in nursing simulation education: peer-type new subject (n = 24) and direct mediator (n = 22). Meta-analysis showed that AI interventions significantly improved nursing students' knowledge (SMD = 1.49, 95% CI [0.55,2.43], p = 0.002) and skills (SMD = 0.66, 95% CI [0.02,1.31], p = 0.04). Bibliometric analysis identified that the United States of America and China were the two main contributing countries in this field, and the key motor themes included generative artificial intelligence, virtual patients, and geriatric care. CONCLUSIONS: AI exerts positive effects on nursing students' knowledge acquisition and skill enhancement in simulation education, with peer-type new subject and direct mediator as the dominant roles. Future research should focus on expanding AI applications in multi-specialty simulation scenarios, activating the data-driven value of machine learning, and strengthening international collaboration and standardization construction, so as to promote the sustainable development of AI-integrated nursing simulation education.
Humans↗
[Evaluation of the scientific activity through bibliometric indices].
The scope of bibliometric studies is the treatment and quantitative analysis of scientific publications. They belong to the so-called "social studies of science", and science policy constitutes one of its main applied fields. These studies efficiently complement the opinions and judgements of experts, thus providing objective and useful tools for evaluating the results of scientific activity. Nevertheless, given the impact that these evaluations have on the assignment of funding for research and even on the professional career of investigators, it becomes essential to know in detail the characteristics of bibliometric indicators and the limitations of their use. The Science Citation Index database is one of the most employed. In the case of biomedical research it is useful to analyze the most internationally visible scientific production, since it satisfactorily covers biomedical journals; however, clinical research with local interest published in Spanish journals is not included in that database. Widely employed bibliometric indicators are those measuring scientific activity through the number of publications, those based on the citations received by published studies and, in between them, the impact of journals. The impact factor is an indicator very used in bibliometric studies; though occasionally a high impact factor is assumed to reflect high quality, this indicator specifically measures visibility and diffusion of the works published by these journals rather than their scientific quality.
Bibliometrics↗
[Congresses of the Spanish Association of Pediatrics: bibliometric analysis as a springboard for debate].
BACKGROUND: Congresses are periodic meetings that are required to make known and discuss advances in the various fields of medicine. Bibliometric indicators are important tools used to determine the quality of scientific publications. However, this type of study is infrequently performed in free communications of congresses. MATERIAL AND METHODS: A bibliometric study of all the free communications published in the congresses of the Spanish Association of Pediatrics over 4 years, divided in two periods (1996-1997 and 2000-2001) (n = 2677) was performed. Bibliometric indicators were classified into quantitative (productivity), qualitative (statistical accessibility) and scientific evidence. RESULTS: Quantitative indicators: There were 928 free communications in 1996, 681 in 1997, 560 in 2000, and 508 in 2001. Eighty-eight percent were in poster format and 87 % were in structured format. There was a median of six authors per communication. The main subject areas were infectology, neonatology, hemato-oncology, neurology and endocrinology. Ninety-five per cent of communications were signed by hospitals with a marked contribution by hospitals in Andalusia and Madrid. Qualitative indicators: Statistical accessibility < 2 in 86 % and > 7 in 2.9 %. Scientific evidence indicators: The quality of scientific evidence was good in only 1 % and was average in 9 %, since 90 % of all the studies were descriptive (mainly clinical cases). Evidence-based methodological concepts were used in only 1.9 %. Compared with 1996-1997, in 2000-2001 there were fewer communications, more posters, and more structured communications, as well as greater statistical accessibility and better scientific evidence indicators, but these differences were not statistically significant. CONCLUSIONS: Bibliometric study of the congresses of the Spanish Association of Pediatrics is a good starting point to analyze the quality of pediatric meetings and discuss possible solutions: a rigorous scientific committee with quality criteria, more analytical and/or experimental studies and fewer descriptive studies (especially clinical cases); restricting the number of authors per communication, greater collaboration with epidemiologists and/or biostatisticians, and favoring structured communications would also improve quality.
Bibliometrics↗
Bibliometric methods: pitfalls and possibilities.
Bibliometric studies are increasingly being used for research assessment. Bibliometric indicators are strongly methodology-dependent but for all of them, various types of data normalization are an indispensable requirement. Bibliometric studies have many pitfalls; technical skill, critical sense and a precise knowledge about the examined scientific domain are required to carry out and interpret bibliometric investigations correctly.
Bibliometrics↗
[Anales Españoles de Pediatría 2001. Bibliometric indicators of scientific quality].
UNLABELLED: BACKGROUND. One important objective of Anales Españoles de Pediatría (An Esp Pediatr) is to be included in Journal Citation Reports-Science Citation Index and the main step to achieve this is to increase the scientific quality of this Spanish journal. Bibliometric indicators are important tools used to determine the quality of scientific publications. MATERIAL AND METHODS: A bibliometric study of all the original articles published in An Esp Pediatr in 2001 (n 76) was performed; bibliometric indicators were classified into quantitative and qualitative (statistical analyses and level of scientific evidence). The results were compared with the original articles published in the journal from 1994 to June 2000 (n 733) and with the original articles published in Pediatrics in 2001 (n 276). RESULTS: The differences found in An Esp Pediatr between the two study periods were the following in 2001: greater collaboration between epidemiologists and/or biostatisticians in the authorship of articles (19.7 %), increased complexity of statistical analyses (statistical accessibility > 7 in 25 %) and greater use of evidence-based methodological concepts (19.7 %). However, no improvement was found in the scientific evidence (evidence was good in only 1.4 % and average in 25.7 %). Other aspects of interest were a lower number of original articles (due to an increase in other types of articles, such as Letters to the Editor or Special Articles) and a greater percentage of articles on evidence-based medicine or articles using its methodology. The differences in bibliometric indicators of quality found between An Esp Pediatr and Pediatrics continued to be considerable: statistical accessibility, evidence-based methodological concepts and scientific evidence (for example, good evidence was 22 times more frequent in Pediatrics). CONCLUSIONS: The scientific quality of An Esp Pediatr improved in 2001 compared with that of previous years, but the differences found between this journal and the gold standard of Pediatrics are still considerable. We found greater interest in articles related to the new scientific paradigm of evidence-based medicine, which uses the medical literature more effectively to guide medical practice.
Bibliometrics↗
[Scientific literature: bibliometric and bibliographic indicators as integrative criteria for an objective evaluation of research activity].
An objective evaluation of a scientific activity is required to reduce partialities and mistakes, thus allowing a more reliable judgement. Therefore, the role of scientific literature, as the most direct expression of research activity, is increasing; for a better evaluation, bibliometric and bibliographic indicators have been developed. Bibliometric indicators are based upon citation, which is a meter of the use the international scientific community makes of research results, once published. Besides the number of publications, the most important bibliometric indicators are the number of citations, the impact factor, the immediacy index, the half-life index. Bibliographic indicators are the reference of the journal or the paper by a given author, in important bibliographies of international influence. Being the evaluation by means of these indicators extremely complex, there is a need for a homogeneous regulation of the activity, at an institutional level. The presence of experts in scientometrics is also advisable, since they can provide evaluation profiles on demand, with the support of modern documentation centres. In sum, after describing bibliometric and bibliographic indicators, emphasis is put on their utility and the role they play in support of experts' judgement for a more precise evaluation of a scientific activity.
Bibliographies as Topic↗
A Bibliometric Analysis of Systematic Reviews in the Field of Ankylosing Spondylitis from 2007 to 2025.
BACKGROUND: Ankylosing spondylitis (AS) is an inflammatory autoimmune disease and the most common clinical form of spinal arthritis. Over the past decades, tremendous progress has been made in systematic reviews on AS. This study aimed to conduct a bibliometric analysis of AS-related meta-analyses to visualize the hotspots and trends in the field. METHODS: A comprehensive search was conducted for publications of AS meta-analysis from 2007 to 2025 using the Web of Science Core Collection database. Bibliometric analysis was performed using the Bibliometrix software package, VOSviewer, and CiteSpace. RESULTS: In total, 1073 articles were identified, and the number of relevant publications showed annual growth. China, the USA, and England were the most productive countries. Annals of the Rheumatic Diseases was the most productive journal (54, 10.65%), Pan Faming was the most productive author (23, 4.54%), and Anhui Medical University (45, 8.88%) was the most productive institution. High-frequency keywords were mainly grouped into five themes: complications, biologics, physical therapy exercises, gut microbiota, and analytical methods. DISCUSSION: This first bibliometric analysis of AS-related EBM research showed a 20-year upward trend in AS meta-analyses, consistent with prior studies. CiteSpace revealed that China (top since 2014) and the USA led in publications (53 countries) but had limited collaboration. Pan Faming (23 articles) was the most active author, and Annals of the Rheumatic Diseases published the most articles. Keyword analysis identified five themes (e.g., AS complications, biologics) and research frontiers: pre-2012 genome-AS links, post-2012 multi-center RCTs, and the recent focus on AS patients' HRQoL. Limitations included database and English-language bias; future meta-analyses should adopt standardized outcomes. CONCLUSION: In recent years, there has been a remarkable surge in the number of meta-analyses on AS. This significant increase underscores the importance of this research area. Studies in this field have mainly focused on several key aspects: risk factors, network meta-analysis, and quality- of-life studies. These findings are highly valuable for understanding advancements in ASrelated research and can also encourage researchers and clinicians to focus on both effective medical treatments and the well-being of AS patients.
Spondylitis, Ankylosing↗
Assessing prevention research impact: a bibliometric analysis.
BACKGROUND: This study was undertaken to explore a bibliometric approach to assessing the impact of selected prevention research center (PRC) peer-reviewed publications. METHODS: The 25 eligible PRCs were asked to submit 15 papers that they considered the most important to be published in the decade 1994-2004. Journal articles (n=227) were verified in 2004 and categorized: 73% were research reports, 10% discussion articles, 9% dissemination articles, and 7% review articles. RESULTS: Only 189 articles (83%) were searchable via the Institute of Scientific Information (ISI) Web of Science databases for citation tracking in 2004. These 189 articles were published in 76 distinct journals and subsequently cited 4628 times (range 0 to 1523) in 1013 journals. Articles published before 2001 were cited a median of 14 times each. Publishing journals had a median ISI impact factor of 2.6, and ISI half-life of 7.2. No suitable benchmarks were available for comparison. The PRC influence factor (number of PRCs that considered a journal highly influential) was only weakly correlated with the ISI impact factor and was not correlated with half-life. CONCLUSIONS: Conventional bibliometric analysis to assess the scientific impact of public health prevention research is feasible, but of limited utility because of omissions from ISI's databases, and because citation benchmarks for prevention research have not been established: these problems can and should be addressed. Assessment of impact on public health practice, policy, or on the health of populations, will require more than a bibliometric approach.
Academies and Institutes↗
Bipolar disorder as an emerging pathology in the scientific literature: a bibliometric approach.
BACKGROUND: To carry out a bibliometric study on the scientific publications in relation to bipolar disorder. METHODS: Using the EMBASE and MEDLINE databases, we selected those documents whose title included the descriptors bipolar disorder, bipolar illness, bipolar patient, bipolar mani, bipolar depress, bipolar spectrum, manic-depressive, and rapid cycling. We applied some bibliometric indicators, as Price's Law on the increase of scientific literature, or the participation index (PI) of the different countries. The bibliometric data have also been correlated with some social and health data from the countries that are most prolific in biomedical scientific production, such as number of physicians, total per capita expenditure on health and overall volume of production in the field of psychiatry. RESULTS: A total of 4270 original documents published between 1980 and 2004 were downloaded, of which 1825 corresponded to aspects related to drug therapy. Our results state fulfilment of Price's Law, with scientific production on bipolar disorder showing exponential growth (correlation coefficient r = 0.947, as against an r = 0.849 after linear adjustment). The drugs most widely studied are lithium (1351 documents), valproate (544), carbamazepine (493), lamotrigine (240), and olanzapine (210). United States is the most productive country (participation index, PI = 44.2), followed by the United Kingdom (14.4), Netherlands (9.1) and France (4.1). CONCLUSION: The publications on bipolar disorder and mood stabilizers have undergone exponential growth over the last 25 years, without evidence a saturation point.
Anticonvulsants↗
[Bibliometric analysis of systematic reviews in the Neonatal Cochrane Collaboration. Its role in evidence-based decision making in neonatology].
INTRODUCTION: The Cochrane Neonatal Collaborative Review Group (CNRG) is one of the most important collaborative review groups registered in the Cochrane Collaboration (CC) and provides a growing and readily accessible source of information to help neonatologists base their care on detailed, critical, and up-to-date reviews of the best available evidence. The objective of this article was to perform a bibliometric analysis (quantitative and qualitative) of the systematic reviews (SR) published in the Neonatal Cochrane Collaboration (NCC) and to identify the subject areas studied by the CNRG in which decision-making in clinical practice is based on the best available evidence. METHODS: We performed a bibliometric analysis of the Cochrane Database of Systematic Reviews in Neonatology, Issue 2, 2003 (n = 147 SR). The following variables were registered in each SR: subject area of the study, authors (number and country), dates (last review and update), characteristics of the clinical trials included (number and type), characteristics of included newborns (number and gestational age), reviewers' conclusions and potential conflicts of interest. RESULTS: The main subject areas of studies in the NCC were respiratory diseases (69 SR) and gastroenterology-nutrition (23 SR). Reviews were relatively scarce on some subjects that are very important in clinical practice in neonatology, such as cardiovascular diseases (10 SR), neurology (10 SR) and infectious diseases (6 SR). All the SR dealt with interventions for the treatment or prevention of diseases of the newborn infant (mainly preterm) and we found no reviews on diagnostic tests. Eighty-two per cent of the SR were signed by 2 or 3 authors, and we found four Bradford's zones of productivity. Ninety-two percent of the authors of SR were from four countries (Australia, United States, United Kingdom and Canada). Seventy-nine percent of all SR were published between 2000 and 2002, and 48 % have been updated. The median number of clinical trials per SR was 5 (range 0-30) and the median number of newborns included per SR was 559 (range 0-5448). Sixty percent of SR also included quasi-randomized clinical trials, and 67 % of SR included only preterm infants. In 54 % of the SR, the reviewers' conclusion was sufficient to infer probable effects (favorable or unfavorable) in clinical practice, and potential conflicts of interest were registered in 22 %. DISCUSSION: Although CC reviews are based on specific guidelines, errors and biases occur, suggesting the need to "review the reviews". The bibliometric analysis of the NCC shows that the quality of published SR varies, and the main conclusion is that almost half of the reviewers' conclusions are insufficient to infer probable effects in clinical practice. There is a lack of scientific evidence on many therapies in neonatology and, at the moment, the SR published in the NCC enable evidence-based decision making mainly in the subject area of respiratory diseases and gastroenterology-nutrition. Challenges for the future include the need for bigger and better clinical trials in this field (with long-term outcomes among surviving children), the preparation of systematic reviews on topics not yet covered, and keeping an increasing number of reviews up-to-date. Every decision in neonatology should be based on a systematic appraisal of the best evidence available in the context of the prevailing values and resources at our disposal.
Bibliometrics↗
Nursing research in Spain: bibliometrics of references of research papers in the decade 1985-1994.
BACKGROUND: Spain is one of the few European countries to have recently totally incorporated the study of nursing into the university sector. Bibliometric studies may be of a great help for the consolidation of nursing research. AIM OF THE STUDY: The aim of this paper is to describe bibliographic references in Spanish nursing research papers and their evolution over a decade. METHOD: The method consists of a retrospective bibliometric study of a sample (cluster sampling) of 622 research papers (original papers and review papers), which were contained in the Spanish nursing journals Enfermería Científica, Revista ROL de Enfermería, Enfermería Clínica and Enfermería Integral, and published from 1985 to 1994. The journal Nursing Research was selected for qualitative comparative purposes. A series of classic bibliometric indexes were used. RESULTS: The mean of references per paper is 10.64 +/- 10.42; this increased over time (P < 0.001). Review papers have more references (P < 0.001). Price index (percentage of references published during the last 5 years) is 44% and the Insularity (percentage of references published in same country as the article) is 55%. References to journals predominate (58.6%), with a growing tendency for references to Spanish nursing journals, although they are still scarce (18.1% of the references to journals). Spanish is the language of most of the references (60.3%), the second language being English (36.1%). CONCLUSIONS: Bibliographic references in Spanish nursing research papers are scarce and not very specific: this happens both in regard to Nursing Research and to publications in other national and international science areas. However, there is an increasing tendency of references (including references to nursing journals) in the period analysed. The age of the references places Spanish nursing in an intermediate position between the 'hard' sciences and the humanities; and, according to the type of documentation used, we find it halfway between experimental and natural sciences, and technologies and social sciences. There has been a slight increase in references in English in recent years.
Bibliometrics↗
Mapping the field: a bibliometric analysis of the research utilization literature in nursing.
BACKGROUND: Research utilization is the use of research to guide clinical practice. However, little is known about the characteristics of the research utilization literature in nursing, including the development and organization of this field of study. This article addresses the knowledge gap in this field of study by bibliometrically analyzing the research utilization literature in nursing. OBJECTIVE: To map research utilization as a field of study in nursing using bibliometric methods, and to identify the structure of this scientific community, including the current network of researchers. METHOD: A search of electronic and hard copy databases resulted in bibliographic data for 630 articles on research utilization in nursing published between 1972 and 2001. Bibliometric techniques used included a statistical analysis of publication counts, co-word analysis, and co-citation analysis. RESULTS: The analyses showed a trend of increased productivity since the early 1990s. Most publications were authored by a single author, with no tendency toward increased collaboration over time. Most references cited in the articles were nursing references, indicating that there is very little flow into nursing from other fields. Only 4% of the references cited were actual research articles about research utilization, consistent with applied fields in which clinicians most commonly cite other clinicians. The 630 articles were published in a total of 194 different journals, with the Journal of Advanced Nursing identified as a key journal in the field. CONCLUSIONS: According to the analysis, tremendous growth has occurred in the field of research utilization. However, the limited amount of collaborative research and the repeated citation of a few references indicate that the field is under-developed. The research utilization field would benefit from more substantive conceptual and empirical work, and more collaboration among emerging scholars.
Authorship↗
Bibliometric analysis of nursing research in Taiwan 1991-2004.
This study examined nursing research performance in Taiwan from 1991 to 2004 by conducting bibliometric analysis of papers published by researchers affiliated with nursing institutes in Taiwan. Bibliometric information of papers that were published between 1991 and 2004 and had contact address including the words "Taiwan", and "nursing" were downloaded from the ISI Web of Knowledge website. The information used for this research included number of papers, number of authors, number of references listed, impact factors of publishing journals, times cited, and whether the paper was written through international or domestic collaboration. The information was coded and tabulated. Bibliometric characteristics were compared between 1995- 1999 and 2000-2004. Furthermore, an exponential model was fitted to show the past growth trend in research outputs. The results showed that there was a significant growth in quantity of papers from 1991 to 2004. In general, recent papers had averaged more authors, more domestic collaboration, more international collaboration, higher impact factors, and more references listed than earlier papers. Papers written with collaboration tended to have a higher average number of authors and more references listed, and tended to be published in journals with higher impact factors. The exponential model proved to be in good fit with the past growth pattern. The authors speculate that the recent increase in research collaboration, both internationally and domestically, may have contributed to the significant increase in output. It is not clear whether the growth in quantity of papers will continue or for how long. Based on past data, however, no sign of leveling off has been observed. More research is needed to understand what societal and individual level factors were involved in fueling such a dramatic increase in quantity in the last decade. Furthermore, as the quantity of papers has increased steadily, more focus can be placed on improving the quality of research papers.
Academies and Institutes↗
A bibliometric study of dermatology in central Europe 1991-2002.
BACKGROUND: Bibliometric studies have gained interest in recent years, although most analyses are limited to simple use of average citations rates for journals, also known as the "impact factor". Central Europe has a long tradition of dermatological research which has been negatively impacted by general political developments for a long period. This study was undertaken in order to describe the progress made in recent years. METHODS: The study was conducted in two parts: First the annual national output for the period 1991-2002 was identified for each country by MEDLINE searches. In the second part of the study a sample was drawn from the papers identified in the first part and the number of citations for each paper noted. RESULTS: The annual national output showed great variation between countries and from year to year. The mean citation rates were found to vary between 0-5 citations/year, and some underlying publications were 10 years old. Countries with national indexed journals appear to hold a bibliometric advantage over countries without indexed journals. CONCLUSIONS: Throughout the last decade of the 20th century the number of publications has grown with an average of 21.7% per year, and publication rates have only suffered in countries directly involved in war or similar disturbances. The mean citation rates were low, with a varying age of the underlying publications. Some cited publications were however old suggesting a persistent relevance. A national or regional indexed journal appears to confer a bibliometric advantage.
Bibliometrics↗
Tracing thought through time and space: a selective review of bibliometrics in social work.
Bibliometrics is a field of research that examines bodies of knowledge within and across disciplines. Citation analysis, a component of bibliometrics, focuses on the quantitative assessment of citation patterns within a body of literature. Citation analysis has been used in social work to examine the quantity and the impact of the work of individuals and academic institutions. This paper presents a selective review of these uses of bibliometrics within social work.
Bibliometrics↗
[Neuropediatrics in the context of pediatric subspecialties: bibliometric analysis].
INTRODUCTION: There is no detailed information on the scientific production in neuropediatrics (NP) in Spain, and we studied this problem by means of a model of bibliometric analysis. MATERIAL AND METHODS: Retrospective study of all the articles published in the main pediatric Spanish journal (An Esp Pediatr) over a 13 years period (1984-96). Quantitative and qualitative bibliometric indicators of the articles over NP were performed. RESULTS: NP is the subject matter in 7.8% (n = 235) of all the articles published in An Esp Pediatr, the fifth subspecialty in productivity. The main type of articles in NP are Clinical notes (55.3%), double than Originals (29.8%). It is important the absolute productivity of two hospitals (La Paz and Sant Joan de Déu), and the relative productivity of others (Xeral de Galicia, Valdecilla, Ramón y Cajal, etc.). The median of authors (5) and the references (15) per article are similar than other biomedical publications. The essential authorship of the scientific activity in NP fall on hospitals, with poor authorship on University and Health Care Centers. Two unfavorable bibliometric indicators in the articles of NP are: 1. Excessive use of English references (insularity index = 9.54%), and 2. The low statistical accessibility in Original articles (1.81), lower than greater part of the pediatric subspecialties. CONCLUSIONS: NP have a significant quantitative importance in pediatric journals, with some bibliometic indicators that it is suitable to improve: low percentage of Originals with low statistical accessibility, and low insularity index.
Bibliometrics↗