Table 3 Subgroup analysis of clinical outcomes within the advanced age patients
|  | 35–37 years old | 38–39 years old | ||||
|---|---|---|---|---|---|---|
Group A | Group B | P | Group A | Group B | P | |
Cycles (n) | 112 | 165 | Â | 53 | 70 | Â |
Pregnancy rate | 45.54 (51/112) | 32.12 (53/165) | 0.024 | 47.17 (25/53) | 35.71 (25/70) | 0.200 |
Live birth rate | 30.36 (34/112) | 21.82 (36/165) | 0.109 | 26.42 (14/53) | 20.00 (14/70) | 0.401 |
Early abortion rate | 27.45 (14/51) | 28.30 (15/53) | 0.923 | 40.00 (10/25) | 44.00 (11/25) | 0.774 |
Abortion rate | 31.37 (16/51) | 32.08 (17/53) | 0.939 | 44.00 (11/25) | 44.00 (11/25) | 1.000 |
Ectopic pregnancy rate | 1.96 (1/51) | 0 (0/53) | 0.490 | 0 (0/25) | 0 (0/25) | / |