CLINICAL ENCOUNTERS
RHEUMATOID ARTHRITIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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is higher in men
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decreases with age
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is equal in men and women
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is approximately 53 per 100, 000 for women annually, and about half that for men
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Detailed explanation-1: -An estimated 1.5 million American adults are affected by RA [1]. The yearly incidence of RA is approximately 53 per 100, 000 for women and about half that (27.7 per 100, 000) for men [1]. These figures vary significantly based on the age of the cohort.
Detailed explanation-2: -The overall age-and sex-adjusted annual RA incidence was 40.9/100, 000 population. The age-adjusted incidence in women was 53.1/100, 000 population, (in men: 27.7/100, 000 population).
Detailed explanation-3: -What about rheumatoid arthritis, though? While it’s much less common in men than in women, many men have the condition, especially those with risk factors such as obesity and smoking.
Detailed explanation-4: -Blood tests. Rheumatoid factor (RF) is an antibody found (eventually) in about 80 percent of people with RA.