Table 3. Surgical interventions for uterine myoma and subsequent occurrence of ovarian cancer risk among patients with previous uterine myoma.
| Variables | Patients with uterine myoma exposure (n=2,494) | Without ovarian cancer (n=1,646) | With ovarian cancer (n=848) | Adjusted OR (95% CI)* | p-value | |
|---|---|---|---|---|---|---|
| No surgery | 1,724 (69.1) | 1,029 (62.5) | 695 (82.0) | Reference | ||
| Surgery | 770 (30.9) | 617 (37.5) | 153 (18.0) | 0.38 (0.31–0.47) | <0.001 | |
| Myomectomy | 197 (7.9) | 146 (8.9) | 51 (6.0) | 0.55 (0.39–0.77) | 0.001 | |
| Hysterectomy | 573 (23.0) | 471 (28.6) | 102 (12.0) | 0.33 (0.26–0.42) | <0.001 | |
CI, confidence interval; OR, odds ratio.
*Adjusted for age, urbanization, family income, hypertension, diabetes, hyperlipidemia, hormone replacement therapy use, endometriosis, and number of inpatient/outpatient visit.