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Table 1 Comparison of exercise and control group at baseline

From: Effect of resistance exercise on serum leptin levels in a prospective longitudinal study of women patients with rheumatoid arthritis

  Total
(n = 37)
Exercise group
(n = 24)
Control group
(n = 13)
P
Demographic
 Age, years 49.9 ± 7.9 51.2 ± 6.9 47.6 ± 9.3 0.258
Anthropometric
 Height, cm 158.4 ± 4.9 157.5 ± 4.6 159.9 ± 5.3 0.122
 Weight, kg 61.4 ± 10.5 61.4 ± 8.8 61.5 ± 13.5 0.310
 Body mass index, kg/m2 24.4 ± 3.8 24.7 ± 3.7 23.9 ± 4.3 0.417
RA-related characteristics
 Disease duration, years 5.9 ± 7.4 6.7 ± 7.5 4.4 ± 7.4 0.070
 Rheumatoid factor positivity 28 (75.7) 19 (79.2) 9 (69.2) 0.423
 Anti-CCP antibody positivity 30 (81.1) 21 (87.5) 9 (69.2) 0.423
 ESR, mm/h 20.7 ± 15.2 22.5 ± 14.4 17.3 ± 16.7 0.325
 CRP, mg/dl 0.3 ± 0.7 0.4 ± 0.8 0.1 ± 0.1 0.226
 DAS28-ESR 3.0 ± 1.0 3.2 ± 0.8 2.6 ± 1.2 0.070
 DAS28-CRP 2.4 ± 0.8 2.5 ± 0.7 2.1 ± 0.9 0.047
 RA medication     0.413
 cDMARD monotherapy 10 (27.0) 7 (29.2) 3 (23.1)  
 cDMARD combination 21 (56.8) 12 (50.0) 9 (69.2)  
 Biologics 6 (16.2) 5 (20.8) 1 (7.7)  
Body composition
 Fat mass, kg 22.5 ± 7.6 22.9 ± 7.4 21.8 ± 8.1 0.683
 Fat free mass, kg 39.2 ± 4.5 38.3 ± 3.4 40.8 ± 5.8 0.115
 Visceral fat area, cm2 113.3 ± 44.2 117.2 ± 43.5 106.3 ± 46.2 0.482
  1. Values are presented as N (%) or mean ± standard deviation.
  2. P values are for the difference between groups as calculated with the use of the Wilcoxon signed-rank test or Fisher’s exact test.
  3. Abbreviations: RA rheumatoid arthritis, anti-CCP anti-cyclic citrullinated peptide, DAS28-ESR disease activity index 28-erythrocyte sedimentation rate, DAS28-CRP disease activity index 28-C-reactive protein, cDMARD conventional disease-modifying antirheumatic drug