Table 1 Baseline characteristics of the studied sample
From: Some genetic differences in patients with rheumatoid arthritis
Cases N = 100 | Controls N = 50 | P | Total | |
|---|---|---|---|---|
Gender (male/female), n (%) | 18/82 (18/82)% | 14/36 (28/72)% | 0.16 | 32/118 (21.3/78.7)% |
Age (years), M ± SD | 45.8 ± 10.01 | 44.62 ± 9.72 | 0.49 | 45.41 ± 9.89 |
PTH (pg/ ml), M ± SD | 40.35 ± 48.9 | 38.18 ± 26.26 | 0.77 | 39.63 ± 42.68 |
Calcium (mg/dl), M ± SD | 8.48 ± 1.17 | 9.81 ± 1.45 | < 0.001 | 8.93 ± 1.41 |