Odds ratio | 95% Confidence interval | p value | |
---|---|---|---|
In vitro fertilization | 2.267 | 0.435–3.987 | 0.130 |
Intrauterine device | 1.456 | 0.734–3.089 | 0.160 |
Lower genital tract infection | 5.462 | 1.772–16.839 | 0.003 |
Spontaneous rupture of ovarian endometriosis cysts | 2.572 | 1.071–6.174 | 0.035 |
Diabetes mellitus | 1.548 | 0.876–4.469 | 0.194 |