Table 2

Distribution of the prevalence of selected rheumatic diseases in the Spanish population aged 20 and over by sex

WomenMenTotal2-150
Prevalence95% CI
Rheumatoid arthritis9 (0.8)2 (0.2)11 (0.5) 0.3 to 0.9
Low back pain210 (17.8)115 (11.3)325 (14.8)12.2 to 17.4
Knee osteoarthritis165 (14.0)58 (5.7)223 (10.2) 8.5 to 11.9
Hand osteoarthritis112 (9.5)24 (2.3)136 (6.2) 5.9 to 6.5
Fibromyalgia50 (4.2)2 (0.2)52 (2.4) 1.5 to 3.2
  • 2-150 Estimates and confidence intervals are weighted (see Methods).