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At least 343 records · Page 19Linked to original sources
PubMed1998

Prevalence of rheumatoid arthritis in Belgrade, Yugoslavia.

OBJECTIVE: To determine the prevalence of chronic arthritis with special reference to rheumatoid arthritis. METHOD: A cross-sectional study was performed during the years 1990 and 1991 in a randomly selected sample of the urban population of Belgrade. RESULTS: Out of 2184 participants, > or = 20 yr old, surveyed by questionnaire, 756 (34.6%) reported peripheral joint complaints. Of those with complaints, 621 (82.1%) agreed to undergo detailed examination. Arthritis was diagnosed in four men (one had rheumatoid arthritis and three had spondylarthropathy with peripheral arthritis) and 11 women (three had rheumatoid arthritis, one had B27-positive polyarthritis and seven had undifferentiated chronic arthritis). The prevalence of chronic arthritis in the adult population was 0.69% (0.35% for men and 1.05% for women). The prevalence for rheumatoid arthritis was 0.18% (0.09% for men and 0.29% for women). Re-examination of 15 individuals with chronic arthritis 3 yr later showed changes in diagnosis only in those patients who at baseline examination had undifferentiated chronic arthritis. CONCLUSION: According to the results obtained, the urban population of Belgrade is among populations with a low prevalence of rheumatoid arthritis.

Adult↗
PubMedDate not supplied

Incidence of visual defects in Yugoslavia.

1645 children of 1-7 years of age and 103 4-year-old children of an unselected population were examined. Vision screening was performed as single E optotype. Schiascopy and fixation with visuscope were also performed. Results are presented in six tables.

Astigmatism↗
PubMed1983

Evaluation of the admission procedure and academic performance on the Medical Faculty in Ljubljana, Yugoslavia.

The data about the applicants and medical students who matriculated at the Medical Faculty of Ljubljana during the period from 1962-63 to 1969-70 by admission procedure were reviewed. A higher proportion of women than men was accepted, but men went on from year to year more regularly (P less than 0.05). Women graduated significantly later (P less than 0.05). More than half the students came from Ljubljana and its surrounding area. Academic success was correlated with general success in secondary school and with the raw scores at the admission examinations. Pearson's correlation coefficients were calculated and their values varied greatly between men and women, as well as among single cohorts. The multiple regression analysis showed that the best predictor for academic performance was the average success in secondary school (gymnasium) and in addition, the raw scores in biology and foreign language obtained at the admission examination. The results also showed the standardized regression coefficients beta and these variables should therefore be retained in the admission procedure in future. The cumulated coefficient of determination could explain about 11% to 15% of the variability of dependent variables--i.e., average academic success (mean mark of all examinations) and average academic success standardized to the duration of study. The psychological test was of the least importance and could be omitted in future admission procedures. The mean mark in mathematics in secondary school and the mean mark in somatology (the study of the anatomy and physiology of the body) at the admission examination correlated highly with other admission criteria and could also be omitted in future.

College Admission Test↗
PubMed1996

Epidemiological and clinical characteristics of ALS in Belgrade, Yugoslavia.

We present the results of the first epidemiological study of ALS in Belgrade. The distribution of 58 newly discovered cases in a 7-year survey period (1985-1991) showed that the average annual age-adjusted incidence rate was 0.42 per 100,000 population (95% confidence interval, 0.18-0.83). The rate for males was 1.5 times higher than the rate for females. The greatest age-specific average incidence rate was observed in patients between 60 and 64 (3.66 per 100,000 population; 95% confidence interval, 2.17-5.78). The actual age-adjusted prevalence rate on December 31, 1991 was 1.07 per 100,000 (95% confidence interval, 0.71-1.71). The mean age at onset of the disease was 56.2 +/- 9.8 and it ranged from 24 to 74. We studied the natural course of the disease through the mean duration and cumulative probability of survival. The mean duration of the disease was 27.7 +/- 18.2 months. The cumulative probability of survival was 27% for the whole population in a 5-year interval. Elderly patients and those with bulbar signs at onset had a poorer prognosis. Patients under 49 at onset and those with the spinal form of the disease survived longer.

Age Factors↗
PubMed1999

Epidemiological and clinical characteristics of myasthenia gravis in Belgrade, Yugoslavia (1983-1992).

This is the first epidemiological study of myasthenia gravis (MG) in the area of Belgrade. During the survey period (1983 1992), 124 incidental cases of MG were observed, producing an average annual incidence rate of 7.1 per million population (women, 8.3; men, 5.8). Age and sex specific incidence rates for females demonstrated a bimodal pattern, with the first peak in the age group between 20 and 40, and the second peak in the age group 70-80. The age-specific rates for males showed unimodal pattern, reaching a maximum in the age group between 60 and 80. There was a tendency of more frequent disease appearance in the urban as opposed to the suburban districts. On the prevalence day, December 31, 1992, the point prevalence rate was 121.5 per million (women, 142.5; men, 98.8). Only for incidental cases, the point prevalence rate was 77.1 (women, 83.2; men, 70.4). The average annual mortality rate was 0.47 per million (females, 0.52; males, 0.42), while cumulative lethality was 5.6 (women, 5.6; men, 5.7). Most frequently initial symptoms were ocular, occurring in 58% patients. Through the period of investigation ocular symptoms were generalized in 68%, most frequently in the first 2 years (62.5%). Thymoma was confirmed in 11.3% of patients. In this group there was equal presence of both sexes, older median age at onset, and more severe clinical course of MG. Associated autoimmune disease was found in 17 out of 124 incidental cases (13.7%). The most common were thyroid diseases (7.3%). Family history of MG was recorded in 2 cases belonging to 1 family (1.6%).

Adolescent↗