Variables | Group1 | Group2 | Group3 | Group4 | P value |
---|---|---|---|---|---|
(N = 549) | (N = 631) | (N = 543) | (N = 279) | ||
Age (years) | 37.77 ± 5.88 | 34.03 ± 6.44 | 31.6 ± 5.31 | 31.3 ± 5.00 | < 0.01 |
Duration of infertility (years) | 4.16 ± 4.17 | 4.16 ± 3.86 | 4.14 ± 3.46 | 4.21 ± 3.37 | 0.994 |
Clinical protocol | < 0.01 | ||||
Long agonist protocol | 49 (9.0%) | 202 (32.0%) | 249 (45.9%) | 140 (50.2%) | |
Short agonist protocol | 47 (8.6%) | 125 (19.8%) | 136 (25.0%) | 67 (24.0%) | |
Prolonged agonist protocol | 30 (5.5%) | 60 (9.5%) | 85 (15.7%) | 45 (16.1%) | |
Other | 423 (77.0%) | 244 (38.7%) | 73 (13.4%) | 27 (9.7%) | |
Embryo transferred | 0.16 ± 0.53 | 0.55 ± 0.85 | 0.84 ± 0.94 | 0.94 ± 0.95 | < 0.01 |
Progesterone (ng/ml) | 1.11 ± 1.21 | 1.36 ± 1.91 | 1.41 ± 2.12 | 1.29 ± 2.61 | 0.0418 |
Clinical pregnancy | 14 (2.6%) | 89(14.1%) | 129 (23.8%) | 84 (30.1%) | < 0.01 |