Table 2

Summary statistics of total number of tender and swollen joints (n=217)

Physician mean (median, centiles 10 and 90)Patient mean (median, centiles 10 and 90)Between observer agreement (ICC)
Tender joints:
    Baseline2.2 (1.0, 0.0–7.0)2.4 (1.0, 0.0–6.0)0.71
    1Year follow up2.1 (0.0, 0.0–7.0)3.1 (2.0, 0.0–8.7)0.54
Swollen joints:
    Baseline0.8 (0.0, 0.0–2.0)0.5 (0.0, 0.0–2.0)0.53
    1 Year follow up0.5 (0.0, 0.0–1.0)0.5 (0.0, 0.0–2.0)0.51