Women, n (%) | 81 (80.2) | 18 (75) | 30 (71.4) | 33 (93.4) | NS† |
Age, yrs, mean ± SD | 41.9 ± 11.9 | 39.88 ± 13.02 | 42.95 ± 12.13 | 42.06 ± 11.23 | NS |
RA disease duration, mo, mean ± SD | 10.77 ± 6.73 | 13.5 ± 7.6 | 9.3 ± 5.8 | 10.6 ± 6.7 | NS |
IgM-RF-positive, n (%) | 55 (54.5) | 15 (62.5) | 22 (52.4) | 18 (51.4) | NS† |
RF, IU/ml | 54.44 ± 42.74 | 57.08 ± 46.67 | 53.14 ± 39.30 | 54.17 ± 45.06 | NS |
BMI, kg/m2 | 22.82 ± 4.66 | 16.69 ± 1.16 | 21.94 ± 1.94 | 27.90 ± 2.39 | NA |
SENS, mean ± SD | 16.8 ± 11.1 | 26.62 ± 13.45 | 16.05 ± 8.34 | 11.27 ± 7.40 | < 0.0005 |
DAS28, mean ± SD | 6.2 ± 0.9 | 6.62 ± 0.87 | 6.04 ± 0.93 | 6.21 ± 1.01 | NS |