Characteristics of the sample group according to the SF-12 results
| Female | Male | |||||||||
| RA (n=173) | Control group (n=50) | P value* | RA (n=56) | Control group (n=14) | P value* | |||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | |||
| Physical health component (Ref. Spanish population) | 36.50 | 7.91 | 48.88 | 7.55 | <0.001 | 39.07 | 2.91 | 49.09 | 8.22 | 0.02 |
| Mental health component (Ref. Spanish population) | 32.10 | 7.97 | 35.08 | 5.00 | 0.04 | 33.76 | 1.65 | 36.14 | 4.66 | 0.35 |
*Mann-Whitney U test.
RA, rheumatoid arthritis; Ref, reference; SF-12, Short Form 12-Item questionnaire.