Table 1.
Characteristics of study population and subgroups of subfertility diagnosis.
| Total Study Population n = 227 |
Male Factor n = 147 |
Female Factor n = 21 |
Idiopathic Subfertility n = 34 |
Combination * n = 21 |
|
|---|---|---|---|---|---|
| Age (years) a | 31.64 (4.44) | 31.09 (4.41) | 31.61 (3.13) | 34.10 (3.83) 1 | 31.01 (4.32) |
| Ethnicity b | |||||
| Caucasian | 197 (86.8) | 132 (89.8) | 16 (76.2) | 28 (82.4) | 17 (81.0) |
| Non-Caucasian | 22 (9.7) | 11 (7.5) | 3 (14.3) | 5 (14.7) | 3 (14.3) |
| Body mass index (kg/m2) a | 24.55 (4.47) | 24.67 (4.23) | 25.21 (6.33) | 22.54 (3.50) | 25.60 (4.53) |
| Use of medication b | |||||
| Yes | 54 (23.8) | 31 (21.1) | 4 (19.0) | 7 (20.6) | 10 (47.6) |
| No | 171 (75.3) | 115 (78.2) | 17 (81.0) | 26 (76.5) | 11 (52.4) |
| Menstrual cycle b | |||||
| Regular | 174 (76.7) | 119 (81.0) | 17 (81.0) | 26 (76.5) | 7 (33.3) |
| Mostly regular | 21 (9.3) | 14 (9.5) | 1 (4.8) | 6 (17.6) | 0 (0.0) |
| Irregular | 26 (11.5) | 11 (7.5) | 3 (14.3) | 0 (0.0) | 11 (52.4) |
| Absent | 2 (0.9) | 1 (0.7) | 0 (0.0) | 0 (0.0) | 1 (4.8) |
| Duration of subfertility (years) a |
2.71 (1.88) | 2.51 (2.00) | 3.13 (1.56) | 3.48 (1.73) 2 | 2.42 (1.34) |
Data are presented as the a mean (standard deviation) or a b number (percentage). * More than one cause for subfertility diagnosis was found. An ANOVA test with post hoc Bonferroni was performed to test differences; 1 male vs. idiopathic, p < 0.05; 2 male vs. idiopathic, p < 0.05.