From: Impaired beta cell function is present in nondiabetic rheumatoid arthritis patients
RA and controls (n= 200) | RA patients (n= 101) | |||||
---|---|---|---|---|---|---|
Unadjusted model | Adjusted model | |||||
β coefficient (95% CI) | P | β coefficient (95% CI) | P | β coefficient (95% CI) | P | |
Insulin resistance (log HOMA-IR) | ||||||
RA versus controls (β 95% CI for RA, 101, and controls, 99) | 0.40 (0.20-0.59) | 0.00 | ||||
GC-RA versus controls (β 95% CI for RA, 56, and controls, 99) | 0.14 (0.05-0.24) | 0.00 | ||||
GC+RA versus controls (β 95% CI for RA, 55, and controls, 99) | 0.17 (0.10-0.24) | 0.00 | ||||
RA features | ||||||
Disease duration | -0.02 (-0.06-0.01) | 0.19 | -0.01 (-0.05-0.03) | 0.59 | ||
RF positivity | 0.00 (-0.39-0.39) | 0.99 | -0.15 (-0.54-0.24) | 0.86 | ||
ESR | -0.00 (-0.01-0.01) | 0.66 | -0.01 (-0.02-0.00) | 0.26 | ||
CRP | -0.01 (-0.02-0.00) | 0.05 | -0.01 (-0.02-0.00) | 0.07 | ||
Current prednisone | 0.23 (-0.14-0.60) | 0.22 | 0.04 (-0.32-0.40) | 0.81 | ||
Prednisone, mg/day/previous 3 months | 0.01 (-0.18-0.20) | 0.94 | -0.23 (-0.46-0.01) | 0.47 | ||
HAQ | -0.01 (-0.30-0.29) | 0.97 | 0.12 (-0.18-0.41) | 0.44 | ||
DAS28 | -0.00 (-0.14-0.13) | 0.95 | -0.05 (-0.17-0.07) | 0.40 | ||
Current nonbiologic DMARD | -0.28 (-1.35-0.79) | 0.60 | 0.08 (-0.67-0.82) | 0.83 | ||
Classic IR risk factors | ||||||
Sex | -0.24 (-0.76-0.27) | 0.35 | ||||
Age | 0.00 (-0.02-0.02) | 0.83 | ||||
BMI | 0.06 (0.03-0.10) | 0.0 a | ||||
Waist circumference | 0.02 (0.01-0.03) | 0.00 a | ||||
Triglycerides | 0.00 (0.00-0.01) | 0.07 | ||||
Hypertension | 0.48 (0.11-0.86) | 0.01 a | ||||
β-cell function (logHOMA%B) | ||||||
RA versus controls (β 95% CI for RA, 101, and controls, 99) | 22 (5-39) | 0.01 | ||||
GC-RA versus controls (β 95% CI for RA, 56, and controls, 99) | 11 (2-19) | 0.02 | ||||
GC+RA versus controls (β 95% CI for RA, 55, and controls, 99) | 8 (0-15) | 0.05 | ||||
RA features | ||||||
Disease duration | 2 (-1-4) | 0.27 | 1 (-2-4) | 0.40 | ||
RF positivity | 10 (21-42) | 0.52 | 11 (-19-41) | 0.46 | ||
ESR | 0 (-1-1) | 0.52 | 0 (-1-1) | 0.61 | ||
CRP | 1 (-2-1) | 0.32 | 0 (-1-1) | 0.40 | ||
Current prednisone | 1 (-28-31) | 0.93 | 3 (-26-32) | 0.85 | ||
Prednisone, mg/day/previous 3 months | 2 (-15-18) | 0.83 | 10 (-8-21) | 0.36 | ||
HAQ | -3 (-27-21) | 0.83 | 3 (-20-26) | 0.81 | ||
DAS28 | -1 (-12-10) | 0.81 | -0 (-11-10) | 0.95 | ||
Current nonbiologic DMARD | -16 (110-79) | 0.74 | -15 (-100-71) | 0.73 | ||
Classic IR risk factors | ||||||
Sex | -52 (-92--12) | 0.0 a | ||||
Age | -1 (-3-0) | 0.06 | ||||
BMI | 2 (-1-5) | 0.16 | ||||
Waist circumference | 0 (-1-1) | 0.67 | ||||
Triglycerides | 0 (-0-0) | 0.90 | ||||
Hypertension | 10 (-21-41) | 0.53 |