Variables

N (%)

Median (Q1; Q3)

Min; max

CRP, median (range), mg/dl

24 (12; 48)

1; 96

Erythrocyte sedimentation rate, median (range), mm/h

25 (20; 42)

4; 105

Rhumatoid factor, latex, median (range), IU/l

130 (27; 248)

8; 256

Rhumatoid factor, Waaler Rose, median (range), IU/l

32 (12; 64)

6; 512

Anti-CCP Antibodiesa, median (range), IU/l

160 (10; 340)

2; 340