TABLE 3.
Reproductive surgeries and use of hormones among female PBC cases and controls
| Cases (%) | Controls (%) | OR | 95% CI | p-value | |
|---|---|---|---|---|---|
| Surgeries | |||||
| Hysterectomy | 35 (31.8) | 35 (26.5) | 1.29 | 0.74, 2.26 | 0.37 |
| Oophorectomy | 31 (26.5) | 28 (21.1) | 1.35 | 0.75, 2.43 | 0.31 |
| Oral Contraceptive Use | |||||
| Ever used | 97 (81.5) | 96 (71.6) | 1.75 | 0.96, 3.17 | 0.07 |
| Currently use | 2 (2.1) | 6 (6.4) | 0.31 | 0.06, 1.57 | 0.14 |
| Mean # of years of use (S.D.) | 6.8 (5.6) | 7.6 (6.1) | — | — | 0.44 |
| Estrogen/Female Hormones | |||||
| Ever used | 63 (53.4) | 82 (61.7) | 0.74 | 0.45, 1.21 | 0.22 |
| Currently use | 46 (39.5) | 65 (47.8) | 0.71 | 0.43, 1.17 | 0.19 |
| Mean # of years of use (S.D.) | 7.0 (5.1) | 8.2 (8.0) | — | — | 0.30 |
| Ever had IUD inserted | 32 (26.9) | 32 (24.1) | 1.16 | 0.66, 2.05 | 0.61 |