Table 1.
Characteristics of rheumatoid arthritis (RA) patients and healthy controls
| Early RA | ||||||
|---|---|---|---|---|---|---|
| All | Infliximab | Steroid | Late RA | Healthy controls | ||
| Female : male | – | 30F : 15 M | 14F : 5 M | 16F : 10 M | 15F : 3 M | 16F : 6 M |
| Mean age (s.d.) | – | 53·1 (13·6) | 52·4 (12·8) | 53·6 (14·3) | 60·4 (14·0) | 57·0 (10·0) |
| Mean CCP (s.d.) | Baseline | 173 (158) | 157 (153·3) | 212·4 (171·9) | 152 (117) | – |
| Mean DAS28 (s.d.) | Baseline | 5·7 (1·2) | 5·69 (1·33) | 5·51 (1·08) | 6·1 (0·63) | – |
| Week 14 | 3·86 (1·76) | 3·78 (1·61) | 3·85 (1·71) | 4·28 (1·80) | – | |
| Median CRP (s.d.) | Baseline | 16·15 (38·4) | 15·9 (38·4) | 15·15 (37·7) | 16·1 (25·3) | – |
| Week 14 | 5·00 (26·9) | 4·9 (11·9) | 5·0 (30·8) | 1·0 (10·1) | – | |
| Median ESR (s.d.) | Baseline | 32·5 (30·8) | 31·0 (27·4) | 40·0 (33·1) | 42·0 (34·7) | – |
| Week 14 | 18·0 (25·9) | 17·5 (23·8) | 18·5 (27·4) | 28·0 (30·53) | – | |
CCP: cyclic citrullinated peptides; CRP: C-reactive protein; DAS: disease activity score; ESR: erythrocyte sedimentation rate; s.d.: standard deviation.