Table 2 Medical history and clinical characteristics of cases and controls
Cases (n = 44) | Controls (n = 132) | p value | |
|---|---|---|---|
Previous pelvic inflammatory disease, n (%) | 3 (6.8%) | 2 (1.5%) | 0.100 |
Ectopic pregnancy, n (%) | 2 (4.5%) | 1 (0.8%) | 0.155 |
Previous removal of ovarian endometriosis cysts, n (%) | 7 (15.9%) | 9 (6.8%) | 0.130 |
Previous appendectomy, n (%) | 3 (6.8%) | 4 (3.0%) | 0.504 |
Caesarean, n (%) | 14 (31.8%) | 34 (25.8%) | 0.434 |
In vitro fertilization, n (%) | 3 (6.8%) | 1 (0.8%) | 0.049 |
Uterine cavity surgery within 15 days, n (%) | 3 (6.8%) | 2 (1.5%) | 0.100 |
Intrauterine device, n (%) | 14 (31.8%) | 23 (17.4%) | 0.042 |
Lower genital tract infection, n (%) | 14 (31.8%) | 4 (3.0%) | 0.000 |
Spontaneous rupture of ovarian endometriosis cysts, n (%) | 4 (9.1%) | 2 (1.5%) | 0.016 |
Dysmenorrhea, n (%) | 19 (43.2%) | 55 (41.7%) | 0.860 |
Diabetes mellitus, n (%) | 5 (11.4%) | 3 (2.3%) | 0.037 |
Hypertension, n (%) | 3 (6.8%) | 9 (6.8%) | 1.000 |
Smoking, n (%) | 3 (6.8%) | 5 (3.8%) | 0.676 |
Carbohydrate antigen 125, U/ml | 60.35 ± 32.29 | 53.08 ± 38.98 | 0.224 |