|
Baseline characteristics of patients with very early inflammatory arthritis |
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| Characteristic |
RA |
Non-RA |
P |
|
| Persistent |
Resolving |
|||
|
|
||||
| n |
17 |
17 |
47 |
|
| Female (n [%]) |
9 (53%) |
6 (35%) |
24 (51%) |
NSa |
| Age, years (median [IQR]) |
64 (58–73) |
37 (25–58) |
41 (29–64) |
RA versus non-RA persistent: P = 0.001b; RA versus resolving: P = 0.0008b |
| Symptom duration (weeks; median [IQR]) |
7 (5–9) |
7 (2.5–11.5) |
3 (1–5) |
RA versus resolving P < 0.0001b |
| CRP (median [IQR]) |
32 (18–53) |
62 (31–95) |
32 (10–96) |
NSb |
| RF positive (n [%]) |
13 (76%) |
1 (6%) |
5 (10.6%) |
|
|
aχ2 test. bMann-Whitney test. CRP, C-reactive protein; IQR, interquartile range; NS, not significant; RA, rheumatoid arthritis; RF, rheumatoid factor. | ||||
Raza et al. Arthritis Research & Therapy 2006 8:R120 doi:10.1186/ar2009 |
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