Table 2.

Baseline characteristics of all included and those with and without 3 month data

	All included N = 1789		With 3 month data N = 1258		Missing at 3 months N = 531
	Mean	Std dev	Mean	Std dev	Mean	Std dev
Percent female	77.2		77.8		77.8
Age	55.9	13.4	55.6	13.2	56.3	13.7
Disease duration, years	12.1	10.2	12.0	10.0	12.2	10.6
Ongoing DMARDs	0.85	0.57	0.85	0.57	0.84	0.57
DAS28 (0–10)	5.54	1.18	5.58	1.16	5.43	1.21
CDAI	30.6	12.3	31.0	12.1	32.2	13.9
HAQ (0–3)	1.34	0.64	1.36	0.64	1.29	0.62
CRP (mg/L)	30.8	33.0	31.4	33.6	28.9	31.3