Prevalence of ankylosing spondylitis in males and females in a young middle-aged population of Tromso, northern Norway.
In an epidemiological survey in Tromsø, northern Norway a prevalence of definite ankylosing spondylitis (AS) of between 1.1% and 1.4% was found (males: 1.9-2.2% and females: 0.3-0.6%). The ratio of male to female was between 3.9 and 6.1 in favour of the male sex. It was calculated that 6.7% of the B...
Published in: | Annals of the Rheumatic Diseases |
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Main Authors: | , , |
Format: | Text |
Language: | English |
Published: |
British Medical Journal Publishing Group
1985
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Subjects: | |
Online Access: | http://ard.bmj.com/cgi/content/short/44/6/359 https://doi.org/10.1136/ard.44.6.359 |
Summary: | In an epidemiological survey in Tromsø, northern Norway a prevalence of definite ankylosing spondylitis (AS) of between 1.1% and 1.4% was found (males: 1.9-2.2% and females: 0.3-0.6%). The ratio of male to female was between 3.9 and 6.1 in favour of the male sex. It was calculated that 6.7% of the B27 positive individuals had AS, and that 22.5% of the B27 positive subjects with back pain or stiffness suffered from AS. |
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