Table 1 Demographic Characteristics of the Study Population (n = 107)
From: Quantity and quality of retrograde menstruation: a case control study
Endometriosis (n = 59) | Controls (n = 48) | |
|---|---|---|
Age (years, mean ± SD) | 31.76 ± 3.71 | 28.27 ± 3.18 |
Duration of infertility (years, mean ± SD) | 2.67 ± 2.06 | 2.13 ± 1.12 |
Primary/secondary infertility [n(%)] | 39(66.1)/20(33.9) | 30(62.5)/18(37.5) |
Concurrent medication [n(%)] | 2(3.38) | 0 |
Phase of the menstrual cycle [n(%)] | ||
Menstrual | 18(78.26) | 5(21.74) |
Nonmenstrual total | 38(45.23) | 46(54.77) |
Follicular | 22(26.19) | 16(19.04) |
Luteal | 16(19.04) | 30(35.73) |
Indication for surgery [n(%)] | ||
Infertility | 58(98.3) | 45(93.75) |
Pelvic pain | 1(1.71) | 3(6.25) |