10.4 million people in the USA 1983-87 (Digestive diseases in the United States: Epidemiology and Impact – NIH Publication No. 94-1447, NIDDK, 1994) ... see also overview of Hemorrhoids.
approx 1 in 26 or 3.82% or 10.4 million people in USA [Source statistic for calcuation: "10.4 million people in the USA 1983-87 (Digestive diseases in the United States: Epidemiology and Impact – NIH Publication No. 94-1447, NIDDK, 1994)" -- see also general information about data sources]
1 million new cases in the USA 1983-87 (Digestive diseases in the United States: Epidemiology and Impact – NIH Publication No. 94-1447, NIDDK, 1994) ... see also overview of Hemorrhoids.
approx 1 in 272 or 0.37% or 1 million people in USA [Source statistic for calcuation: "1 million new cases in the USA 1983-87 (Digestive diseases in the United States: Epidemiology and Impact – NIH Publication No. 94-1447, NIDDK, 1994)" -- see also general information about data sources]
1,000,000 per year, 83,333 per month, 19,230 per week, 2,739 per day, 114 per hour, 1 per minute, 0 per second. [Source statistic for calculation: "1 million new cases in the USA 1983-87 (Digestive diseases in the United States: Epidemiology and Impact – NIH Publication No. 94-1447, NIDDK, 1994)" -- see also general information about data sources]
10.4 million people (Source: excerpt from Digestive Diseases Statistics: NIDDK)
1 million new cases (Source: excerpt from Digestive Diseases Statistics: NIDDK)
The following statistics relate to the prevalence of Hemorrhoids:
16 MEDICAL BOOKS ONLINE! Review excerpts from medical books online, free, without registration, for more information about the prevalence and/or incidence of Hemorrhoids.
Hemorrhoids probably result from increased venous pressure in the hemorrhoidal plexus. Predisposing factors include occupations that require prolonged standing or sitting; straining due to constipation, diarrhea, coughing, sneezing, or vomiting; heart failure; hepatic disease, such as cirrhosis, amebic abscesses, or hepatitis; alcoholism; anorectal infections; loss of muscle tone due to old age, rectal surgery, or episiotomy; anal intercourse; and pregnancy.
Hemorrhoids are more common in whites, in persons of higher socioeconomic classes, and in persons who live in rural areas. However, actual incidence figures are unknown because many patients with hemorrhoids self-medicate.
Source: Professional Guide to Diseases (Eighth Edition), 2005
The term 'prevalence' of Hemorrhoids usually refers to the estimated population of people who are managing Hemorrhoids at any given time. The term 'incidence' of Hemorrhoids refers to the annual diagnosis rate, or the number of new cases of Hemorrhoids diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.
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