| Table 2. Baseline characteristics of couples and their treatments | ||||
| Women with live birth n=232 | Women without live birth n=507 | %women with live birth | p-value | |
| Women's age (years), mean (SD) | 33.1 (3.8) | 34.5 (3.6) | NS | |
| Women's age (years), sub-classified | ||||
| < 35, n (%) | 141 (60.8%) | 230 (45.4%) | 38% | <0.000 |
| 35-37, n (%) | 65 (28%) | 159 (31.4%) | 29% | |
| 38-39, n (%) | 26 (11.2%) | 118 (23.3%) | 18.1% | |
| Exponential age | 1,65234 E+16 | 8,05341 E+15 | <0.000 | |
| Women's BMI (kg/m2), mean (SD) | 24.2 (4.2) | 24.5 (5.4) | NS | |
| Women’s smoking status, n (%) | ||||
| Present | 66 (28.4%) | 134 (26.4%) | 33% | NS |
| Previous | 36 (15.5%) | 82 (16.2%) | 30.5% | |
| Never | 130 (56%) | 291 (57.4%) | 30.9% | |
| Women’s previous children. n (%) | ||||
| previous | 20 (8.6%) | 53 (10.4%) | 31.8% | NS |
| No previous children | 212 (91.4%) | 454 (89.5%) | 27.4% | |
| Women’s ethnicity. n (%) | ||||
| Caucasian | 208 (89.7%) | 454 (89.5%) | 31.4% | NS |
| African | 6 (2.6%) | 23 (4.6%) | 20.7% | |
| Asiatic | 1 (0.4%) | 2 (0.4%) | 33.3% | |
| Gipsy | 5 (2.2%) | 6 (1.2%) | 45.5% | |
| Indian | 2 (0.9%) | 3 (0.6%) | 40% | |
| Mixture | 10 (4.3%) | 19 (3.7%) | 34.5% | |
| Infertility duration (months), mean (SD) | 55.2 (29.4) | 57.0 (28.4) | NS | |
| Men’s age, mean (SD) | 35.4 (4.9) | 36.5 (5.3) | NS | |
| Men's BMI (kg/m2), mean (SD) | 26.7 (11.7) | 26.3 (3.9) | NS | |
| Men’s smoking status, n (%) | ||||
| Present | 82 (35.3%) | 161 (31.8%) | 33.7% | NS |
| Previous | 33 (14.2%) | 91 (17.9%) | 26.6% | |
| Never | 117 (50.4%) | 255 (50.3%) | 31.5% | |
| Men’s previous children, n (%) | ||||
| Previous children | 25 (10.8%) | 68 (13.4%) | 26.9% | NS |
| No previous children | 207 (89.2%) | 439 (86.6% | 32% | |
| Men’s ethnicity, n (%) | ||||
| Caucasian | 203 (87.5%) | 475 (93.7%) | 29.9% | NS |
| African | 8 (3.4%) | 13 (2.6%) | 38.1% | |
| Asiatic | 1 (0.4%) | 2 (0.4%) | 33.3% | |
| Gipsy | 6 (2.6%) | 6 (1.2%) | 50% | |
| Indian | 3 (1.3%) | 3 (0.6%) | 50% | |
| Mixture | 11 (4.8%) | 8 (1.6%) | 57.9% | |
| AFC, mean (SD) | 17.0 (9.2) | 13.0 (9.0) | NS | |
| Logarithmized AFC | 2.698 | 2.379 | <0.000 | |
| AFC sub-classified | ||||
| AFC 0-6 | 15 (6.5%) | 111 (21.9%) | 11.9% | <0.000 |
| AFC 7-10 | 44 (18.9%) | 145 (28.6%) | 23.3% | |
| AFC >10 | 173 (74.6%) | 251 (49.5%) | 40.8% | |
| AMH (ng/mL), mean (SD) | 4.2 (3.8) | 3.2 (3.7) | NS | |
| Logarithmized AMH | 1.108 | 0.629 | <0.000 | |
| AMH sub-classified | ||||
| <0.7, n (%) | 9 (3.9%) | 55 (11.8%) | 9.6% | <0.000 |
| 0.7-1.19, n (%) | 16 (6.9%) | 60 (10.8%) | 18.8% | |
| >1.2, n (%) | 207 (89.2%) | 324 (77.4%) | 37% | |
| Infertility cause | 0.482 | |||
| Endometriosis | 19 (8.2%) | 49 (9.7%) | 27.9% | |
| Ovulatory | 21 (9.1%) | 36 (7.1%) | 36.8% | |
| Tubal | 33 (14.2%) | 81 (16.0%) | 28.9% | |
| Male factor | 86 (37.1%) | 151 (29.8%) | 36.3% | |
| Mix of female factors | 6 (2.6%) | 17 (3.4%) | 26.1% | |
| Mix of male and female factors | 16 (6.9%) | 51 (10.1%) | 23.9% | |
| Unexplained | 49 (21.1%) | 118 (23.3%) | 29.3% | |
| Others | 2 (0.9%) | 4 (0.8%) | 33.3% | |
| Infertility cause (grouped) | ||||
| Ovulatory or Male Factor | 107 (46.1%) | 187 (36.7%) | 36.4% | 0.017 |
| Any other infertility cause | 125 (53.9%) | 320 (63.1%) | ||
| Type of fecundation, n (%) | NS | |||
| IVF | 122 (52.6%) | 251 (57.2%) | 32.7% | |
| ICSI | 110 (47.4%) | 188 (42.8%) | 36.9% | |
| AMH - Antimullerian hormone; AFC - antral follicle count; BMI - Body mass index. | ||||