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Table 1 Patient characteristics

From: Outcome predictors of intra-articular glucocorticoid treatment for knee synovitis in patients with rheumatoid arthritis – a prospective cohort study

Analysis All (n = 121) Responders (n = 73) Non-responders (n = 48) P-value
Age, mean (years) 60.5 ± 14.0 58.2 ± 14.8 64.0 ± 11.9 0.023
Sex (M/F) 31/90 19/54 12/36 0.899
Current smoking 19/121 (16%) 11/73 (15%) 8/48 (17%) 0.813
RA duration, median (years) 10 (0 to 60) 11 (0 to 60) 8 (0 to 40) 0.60
Weight, mean (kg) 73.1 ± 16.4 72.1 ± 16.2 74.8 ± 16.8 0.375
HAQ index, mean 1.07 ± 0.64 1.08 ± 0.67 1.05 ± 0.60 0.791
DAS28 index, mean 4.40 ± 1.20 4.53 ± 1.22 4.21 ± 1.52 0.145
CRP, median (mg/L) 10.8 (0.1 to 159) 12.9 (0.2 to 159) 9.4 (0.7 to 119) 0.14
Larsen-Dale index, mean 1.50 ± 1.3 1.2 ± 1.06 1.9 ± 1.45 0.002
Synovial fluid, median (ml) 10 (0 to 105) 8 (0 to 105) 16.5 (0 to 75) 0.006
  1. Mean ± SD, Median (range), Bold figures: P <0.003. CRP, C-reactive protein; DAS28, disease activity score in 28 joints; F, female; HAQ, Health Assessment Questionnaire; M, male; n, number; RA, rheumatoid arthritis; SD, standard deviation.