Table 1 Baseline characteristics of patients with very early inflammatory arthritis

n

17

17

47

Female (n [%])

9 (53%)

6 (35%)

24 (51%)

NS^a

Age, years (median [IQR])

64 (58–73)

37 (25–58)

41 (29–64)

RA versus non-RA persistent: P = 0.001^b; RA versus resolving: P = 0.0008^b

Symptom duration (weeks; median [IQR])

7 (5–9)

7 (2.5–11.5)

3 (1–5)

RA versus resolving P < 0.0001^b

CRP (median [IQR])

32 (18–53)

62 (31–95)

32 (10–96)

NS^b

RF positive (n [%])

13 (76%)

1 (6%)

5 (10.6%)