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| GG(n = 53) | CG(n = 135) | CC(n = 177) | total(n = 365) | P value | |
|---|---|---|---|---|---|
| Rheumatoid factor (+) | 38(71.7%) | 101(74.8%) | 130(73.4%) | 269(73.7%) | 0.90 |
| Extra-articular involvement | 21(39.6%) | 65 (48.1%) | 67 (37.9%) | 153(41.9%) | 0.18 |
| Bone erosion | 29(54.7%) | 62 (45.9%) | 67 (37.9%) | 156(42.7%) | 0.07 |
