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Table 1 Characteristics of patients with rheumatoid arthritis and who were overweight or obese (N = 27) as compared to patients of normal weight (N = 29)

From: High body mass index in rheumatoid arthritis: why we should promote physical activity

  Normal weight Overweight or obese p
Gender (% men) 20% 21% NS
Age (years) 56 ± 12 58 ± 9 NS
Duration of rheumatoid arthritis (years) 6.9 ± 8.3 7.2 ± 6.6 NS
DAS28-ESR 3.7 ± 1.7 4.1 ± 2.0 NS
Treated by corticosteroids (%) 65% 53% NS
Nutritional status
 Body mass index (kg/m2) 22.1 ± 2.2 30.5 ± 6.9 <0.0001
 Fat (%) 32.1 ± 10.2 38.0 ± 8.2 <0.05
 Fat-free mass index (kg/m2) 15.2 ± 1.7 18.6 ± 2.7 <0.001
 Metabolic syndrome (%) 10.3% 39.3% <0.05
 Rheumatoid cachexia (%) 34.5% 3.7% <0.01
Bone status
 Bone mass (g) 1978 ± 365 2223 ± 398 <0.05
 Rachis T score –1.1 ± 1.3 0.0 ± 1.4 <0.005
 Osteopenic, rachis (%) 66% 24% <0.005
 Femoral neck, T score –1.3 ± 1.2 –0.6 ± 1.2 <0.05
 Osteopenic, femoral (%) 74% 40% <0.05
Actimetry
 Metabolic equivalent tasks 1.52 ± 0.32 1.24 ± 0.25 <0.005
 Duration of physical activity (min/day) 109 ± 99 59 ± 71 <0.05
  1. DAS28-ESR Disease Activity Score in 28 joints-erythrocyte sedimentation rate, NS not significant