Table 1 Clinical and demographic data of 23 patients with RA, 16 patients with OA, and 8 patients with ReA.
| Characteristic | RA (n = 23) | OA (n = 16) | ReA (n = 8) |
|---|---|---|---|
| Sex (M/F) | 9/14 | 2/14 | 6/2 |
| Age (years) | 58 (3) {24−76} | 72 (2) {54−81} | 33 (4) {16−47} |
| Disease duration (months) | 7 (1) {2−12} | – | 5 (2) {1−18} |
| Total Ritchie score | 10 (1) {3−26} | 4 (1) {0−15} | 1 (1) {0−5} |
| Swollen joint count | 8 (1) {3−18} | 2 (1) {0−9} | 2 (0) {1−4} |
| ESR (mm/1st h) | 63 (7) {13−125} | 33 (6) {10−89} | 15 (4) {3−28} |
| CRP (mg/l) | 51 (9) {11−214} | 21 (7) {3−112} | 14 (7) {3−50} |
| RF (+/−) | 13/10 | 0/16 | 0/8 |
The data are shown as the mean (standard error of the mean) {range}.
ESR, erythrocyte sedimentation rate; CRP, C reactive protein; RF, rheumatoid factor.