Variable | Study group (n = 21) | Control group (n = 48) | P value |
---|---|---|---|
Age (in year; mean ± SD) | 42.3 ± 3.9 | 41.5 ± 4.1 | .419 |
Menstrual phase | |||
 Proliferative | 15 | 26 | .179 |
 Secretory | 6 | 22 |  |
Indications for hysterectomy | NA | ||
 Cervical cancer | 2a | 36 |  |
 Ovarian endometriosis | 15 | 0 |  |
 Deep infiltrating endometriosis | 4 | 0 |  |
 CIN III | 0 | 12 |  |
History of dysmenorrhea | |||
 No | 0 (0%) | 39 (81.3%) | .000 |
 Yes | 21 (100%) | 9 (18.7%) |  |