Table 1.

Baseline demographic, biochemical, and hemodynamic characteristics of subjects with rheumatoid arthritis and controls. Values represent mean ± standard deviation.

CharacteristicControl Group, n = 10Patient Group 1, n = 15Patient Group 2, n = 15
Age, yrs58.5 ± 17.853.7 ± 15.454.8 ± 14.7
No. male/female3/72/133/12
Body mass index, kg/m225.8 ± 3.725.5 ± 3.325.8 ± 3.1
IgM rheumatoid factor, +/−0/015/514/6
ESR, mm/h8.10 ± 3.3856.93 ± 20.81*58.33 ± 22.02*
CRP, mg/l3.05 ± 0.4233.06 ± 14.13*31.46 ± 14.33*
TC, mg/dl177.20 ± 14.09224.66 ± 31.12*228.13 ± 11.75*
TG, mg/dl91.30 ± 19.80137.33 ± 47.31*126.93 ± 31.97**
LDL-C, mg/dl124 ± 16.46142.33 ± 24.41**142.66 ± 24.33**
HDL-C, mg/dl54.50 ± 11.8144.06 ± 9.12**41.60 ± 10.85*
TC/HDL-C3.4 ± 0.275.31 ± 1.38*5.75 ± 1.44*
LDL-C/HDL-C2.49 ± 0.813.40 ± 1.03*3.56 ± 0.82*
MDA, nmol/ml2.05 ± 0.454.35 ± 0.75*4.42 ± 0.81*
Resistin, ng/ml6.86 ± 1.319.17 ± 1.53*9.37 ± 1.80*
Adiponectin, μg/ml12.27 ± 1.8319.81 ± 1.95*19.21 ± 2.10*
TNF-α, pg/ml3.71 ± 0.979.79 ± 3.42*10.13 ± 2.90*
FMD, %7.93 ± 2.313.93 ± 1.29*3.72 ± 2.02*
  • Significance was determined using one-way analysis of variance for independent samples (ANOVA).

  • * p < 0.001;

  • ** p < 0.05 compared to controls. ESR: erythrocyte sedimentation rate; CRP: C-reactive protein; TC: total cholesterol; TG: triglycerides; LDL-C: low-density lipoprotein cholesterol; HDL-C: high-density lipoprotein cholesterol; MDA: serum malondialdehyde; TNF-α: tumor necrosis factor-α; FMD: flow-mediated dilation.