Results 311 to 320 of about 4,256,282 (337)
Some of the next articles are maybe not open access.

Prevalence of Asymptomatic SARS-CoV-2 Infection

Annals of Internal Medicine, 2021
TO THE EDITOR: Oran and Topol's narrative review (1) is commendably useful for being one of the first attempts to estimate the proportion of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) carriers who are asymptomatic.
Daniel T. Halperin
semanticscholar   +1 more source

Lifetime and 12-month prevalence of DSM-III-R psychiatric disorders in the United States. Results from the National Comorbidity Survey.

Archives of General Psychiatry, 1994
BACKGROUND This study presents estimates of lifetime and 12-month prevalence of 14 DSM-III-R psychiatric disorders from the National Comorbidity Survey, the first survey to administer a structured psychiatric interview to a national probability sample in
R. Kessler   +7 more
semanticscholar   +1 more source

Prevalence of overweight and obesity in the United States, 1999-2004.

Journal of the American Medical Association (JAMA), 2006
CONTEXT The prevalence of overweight in children and adolescents and obesity in adults in the United States has increased over several decades.
Cynthia L Ogden   +5 more
semanticscholar   +1 more source

Prevalence and trends in obesity among US adults, 1999-2008.

Journal of the American Medical Association (JAMA), 2010
CONTEXT The prevalence of obesity increased in the United States between 1976-1980 and 1988-1994 and again between 1988-1994 and 1999-2000. OBJECTIVE To examine trends in obesity from 1999 through 2008 and the current prevalence of obesity and ...
K. Flegal   +3 more
semanticscholar   +1 more source

The prevalence of hemorrhoids [PDF]

open access: possibleDiseases of the Colon & Rectum, 1983
The clinical records of 835 patients were reviewed. Five hundred ninety four had symptoms of hemorrhoids (symptomatic group) and 241 had no symptoms (asymptomatic group). Eight-six per cent of the entire group had hemorrhoids, 88 per cent among the symptomatic group and 82 per cent among the asymptomatic group.
Gabriel P. Haas   +3 more
openaire   +2 more sources

Increasing incidence and prevalence of the inflammatory bowel diseases with time, based on systematic review.

Gastroenterology, 2012
BACKGROUND & AIMS We conducted a systematic review to determine changes in the worldwide incidence and prevalence of ulcerative colitis (UC) and Crohn's disease (CD) in different regions and with time.
N. Molodecky   +10 more
semanticscholar   +1 more source

PREVALENCE OF OBESITY

Endocrinology and Metabolism Clinics of North America, 1996
Numerical values for prevalence of obesity are highly dependent on the criteria used to identify the condition and its gradations of severity. Prevalence is also affected by the makeup of the surveyed population. Recently, national surveys of prevalence of obesity in the United States and some European countries have been reported in terms of criteria ...
openaire   +3 more sources

The worldwide prevalence of ADHD: a systematic review and metaregression analysis.

American Journal of Psychiatry, 2007
OBJECTIVE The worldwide prevalence estimates of attention deficit hyperactivity disorder (ADHD)/hyperkinetic disorder (HD) are highly heterogeneous. Presently, the reasons for this discrepancy remain poorly understood.
G. Polanczyk   +4 more
semanticscholar   +1 more source

Prevalence of diagnosed atrial fibrillation in adults: national implications for rhythm management and stroke prevention: the AnTicoagulation and Risk Factors in Atrial Fibrillation (ATRIA) Study.

Journal of the American Medical Association (JAMA), 2001
CONTEXT Atrial fibrillation is the most common arrhythmia in elderly persons and a potent risk factor for stroke. However, recent prevalence and projected future numbers of persons with atrial fibrillation are not well described.
A. Go   +6 more
semanticscholar   +1 more source

Prevalence and trends in obesity among US adults, 1999-2000.

Journal of the American Medical Association (JAMA), 2002
CONTEXT The prevalence of obesity and overweight increased in the United States between 1978 and 1991. More recent reports have suggested continued increases but are based on self-reported data. OBJECTIVE To examine trends and prevalences of overweight
K. Flegal   +3 more
semanticscholar   +1 more source

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