Skip to main content

Advertisement

Table 1 Demographics and disease-related characteristics of patients and controls

From: Impaired beta cell function is present in nondiabetic rheumatoid arthritis patients

  Rheumatoid arthritis (n= 101) Controls (n= 99) P a
   GC-RA (n= 46) GC+RA (55) P b   
Age, years 55.2 ± 10.0 53.0 ± 10.1 57.1 ± 9.7 0.04a 55.1 ± 10.6 0.90
Female, n (%) 86 (85) 38 (67) 48 (87) 0.51 90 (91) 0.21
Body mass index, kg/m2 29.5 ± 5.9 27.8 ± 4.8 30.0 ± 6.6 0.18 29.5 ± 5.4 0.59
Hip circumference, cm 106 (99-118) 105 (97-115) 109 (99-118) 0.17 102 (98-110) 0.23
Waist circumference male, cm 106 ± 17 105 ± 12 107 ± 22 0.79 100 ± 12 0.57
Waist circumference female, cm 96 ± 15 92 ± 14 98 ± 15 0.13 91 ± 11 0.12
Waist-to-hip ratio 0.90 (0.85-0.94) 0.89 (0.83-0.94) 0.90 (0.86-0.94) 0.34 0.86 (0.80-0.92) 0.71
Hypertension, n (%) 36 (38) 14 (25) 22 (40) 0.51 31 (31) 0.34
Statins intake, n (%) 29 (30) 13 (23) 16 (29) 0.78 28 (28) 0.77
Metabolic syndrome, n (%) 32 (37) 15 (27) 17 (31) 0.96 18 (18) 0.11
ESR, mm/h 25 (16-39) 25 (15-41) 26 (18-39) 0.70 18 (13-25) 0.00a
CRP, mg/dl 3.8 (1.4-9.4) 4.5 (1.3-13.7) 3.2 (1.6-9.0) 0.59 2.0 (0.9-4.7) 0.00a
Cholesterol, mg/dl 210 ± 40 203 ± 30 216 ± 46 0.18 207 ± 39 0.62
Triglycerides, mg/dl 118 (85-151) 110 (81-139) 121 (91-152) 0.28 102 (69-133) 0.00a
HDL cholesterol, mg/dl 59 ± 15 58 ± 14 60 ± 16 0.48 56 ± 14 0.13
LDL cholesterol, mg/dl 127 ± 33 127 ± 28 127 ± 37 0.89 129 ± 34 0.62
Disease duration, years 7.5 ± 5.8 8.7 ± 4.5 6.2 ± 6.8 0.08   
DAS28-ESR 3.99 ± 1.41 4.11 ± 1.56 3.18 ± 1.27 0.45   
HAQ 0.61 (0.24-1.28) 0.69 (0.13-1.37) 0.55 (0.2-1.23) 0.92   
Positive rheumatoid factor, n (%) 64 (65) 21 (38) 43 (78) 0.00a   
Current nonbiologic DMARD, n (%) 88 (87) 41 (73) 47 (85) 0.58   
Current prednisone, n (%) 55 (54.5)      
Prednisone, average mg/day/3 months 6.24 ± 2.54      
  1. aComparison between controls and patients; P value < 0.05. bComparison between not-taking-corticoids and taking-corticoids patients. Data expressed as mean (± standard deviation) or median (interquartile range). Dichotomous variables are expressed as n and percentage. CRP, C-reactive protein; DAS28, Disease Activity Score; DMARD, disease-modifying antirheumatic drug; ESR, erythrocyte sedimentation rate; GC-RA, RA patients not taking corticosteroids; GC+RA, RA patients taking prednisone. HAQ, Health Assessment Questionnaire; HDL, high-density lipoprotein; LDL, low-density lipoprotein.