Male female ratio in arthritis – Medicine MCQ

Which of the following has a male female ratio of 1:1?
A. Rheumatoid arthritis
B. Gout
C. Seronegative spondyloarthritis
D. Polymyalgia rheumatica

Correct answer : C. Seronegative spondyloarthritis

Bamboo spine in ankylosing spondylitis – a type of seronegative arthritis

• Seronegative spondyloarthritis has a male : female ratio of 1:1.
• Rheumatoid arthritis and Polymyalgia rheumatica are seen more commonly in females.
• Gout is more common in males.

Ref: Davidson’s Principles and Practice of Medicine, 22nd Edition, p1060

Image credits : Stevenfruitsmaak via http://en.wikipedia.org/wiki/File:Bamboo_spine_ankylosing_spondylitis.jpg . Licensed under Creative Commons Attribution-Share Alike 3.0 Unported license.