Table 3 Baseline characteristics of the cases exclusively identified by the ML and those exclusively identified by either the 1987 or 2010 criteria

N☨

50

166

Proportion women

0.60

0.63

Proportion anti-CCP2-positive

0.07

0.16

Proportion RF-positive

0.17

0.34

Median DAS44 at baseline

2.52

2.74

Median BMI

26.6

25.6

Median ESR

19.0

25.0

Median CRP

9.35

8

Median age at inclusion

55.7

58.9

Median symptom duration at diagnosis (days)

66

78.0

Median number of swollen joints

4.0

4.0