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[French demography in the last 30 years].

From 1964 to 1994, French population has gained nearly 10 million, up to 57.8 million. Infant mortality, adult mortality, fertility, nuptiality, immigration from abroad and internal migration have undergone drastic change. Noteworthy is the rising life expectancy at birth and, more importantly, the growing life expectancy of the elderly. French population is aging. The "under 20" who were 33.7 percent in 1964 are today only 26.4 percent.

Adolescent↗
PubMed1994

[Demography of nephrologists in France].

This study used data from a mailing sent during years 1991-1992 to 1096 physicians. The response rate was 94%, providing a registry. The data showed the different kinds of diploma of the certified nephrologists. The vast majority of nephrologists ranges from 35 to 49 years old with a tendancy to be younger if they are working in a renal transplant unit. The number of retirement per year is given from 1993 to 2011 in order to evaluate the number of nephrologist to be certified in the future.

Adult↗
PubMed1993

[Emerging diseases and demography dynamics].

The point of view presented in this work is not that of the epidemiologist interested in the etiology of diseases and their specific effect on mortality rates; but rather the view of the demographer who attempts to establish the influence that diseases have on evolution and population dynamics. It is not until the 19th century that the 'unification microbienne' of the world is reached and one has clinical and statistical data on the major diseases. Consequently, it is not possible to have an exact demographic picture of infectious diseases in their emerging phase. To understand globally this effect one may create a conceptual framework capable of integrating all the aspects of mortality rates: genetic, socio-biological and human. The scheme proposed here allows for a description and at the same time an evaluation of a given historical situation, how a population achieves protection from lethal diseases and what are the factors determining receptivity or resistance to a disease. This approach serves to study the interdependent relations that link all elements involved in a given morbid process.

Communicable Disease Control↗
PubMed1994

Demography of a regional pediatric rheumatology patient population. Affiliated Children's Arthritis Centers of New England.

OBJECTIVE: To examine the descriptive epidemiology of a regional cohort of children with rheumatic disease, and to document the variety and frequency of diseases encountered among pediatric rheumatology centers. METHODS: Pediatric rheumatology centers in southern New England participated in a prospective multicenter patient registry. All outpatients attending clinics at 8 pediatric rheumatology centers were enrolled as subjects during the 8-year period of study (n = 4585). Diagnostic criteria defined the rheumatic disease cases which were determined by clinical examination by a pediatric rheumatologist, and record linkage was achieved to avoid duplication of subjects. RESULTS: Rheumatic conditions were diagnosed in 1742 subjects. Juvenile rheumatoid arthritis (JRA) was the most frequently encountered rheumatic condition (53%), followed by spondyloarthropathy syndromes (13%), vasculitis (10%), systemic lupus erythematosus (SLE) (6%), isolated Raynaud's phenomenon (5%), dermatomyositis/polymyositis (DM/PM) (5%), and scleroderma (2%). The mean annual incidence of JRA, spondyloarthropathy syndromes, SLE and DM/PM among children referred to pediatric rheumatology centers in Massachusetts was 4.0, 2.0, 0.4 and 0.4 per 100,000 children at risk, respectively. Nonrheumatic conditions were diagnosed in 2843 subjects, among which musculoskeletal conditions were most frequent (56%) followed by infectious disorders (18%), psychogenic disorders (3%), fever of unknown origin (2%), and abnormal immune serology without a specific diagnosis (2%). CONCLUSION: The use of a multicenter patient registry was successful in allowing the collection of descriptive epidemiologic data on a large and well defined sample of children with rare disorders.

Adolescent↗