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Table 5 Pain Flare subgroups and their characteristics at the visit before that at which they satisfied flare criteria

From: Disease activity flares and pain flares in an early rheumatoid arthritis inception cohort; characteristics, antecedents and sequelae

 IncrementalPrimaryp
Pain Flare (n = 334)Pain Flare (n = 43)
DAS283.6 (1.5)2.8 (1.3)0.001
ESR23 (19)20 (16)0.583
SJC3 (4)1 (3)< 0.001
TJC5 (6)2 (3)< 0.001
VAS30 (23)20 (19)0.002
BP42 (10)50 (7)< 0.001
VT46 (11)49 (13)0.107
MH50 (11)53 (8)0.134
  1. Data are mean (sd) changes at the time of Pain Flare categorisation from the preceding assessment. Univariate t-tests for comparing the 2 classes of Pain flare at the time point before the flare. SF36 scores = 50 indicate predicted population means, with lower scores indicating greater health impairment. Bold indicates the values for the most severely affected subgroups when heterogeneity was detected
  2. ESR erythrocyte sedimentation rate, SJC swollen joint count, TJC tender joint count, VAS visual analogue scale for general health, BP SF36-Bodily Pain, VT SF36-Vitality, MH SF36-Mental Health