Table 2.
Comparison of clinical pregnancy outcomes among the four groups of patients.
| Item | group A | group B | group C | group D | P -value |
|---|---|---|---|---|---|
| Implantation rate (n%) | 11457/22928 (49.97%) |
2085/5211 (40.01%)a |
436/1132 (38.52%))a |
72/276 (26.09%))abc |
<0.001 |
| Pregnancy rate (n%) | 8491/13172 (64.46%) |
1561/2989 (52.22%)a |
336/658 (51.06%)a |
57/157 (36.54%)abc |
<0.001 |
| Early spontaneous abortion rate (n%) | 1152/8491 (13.57%) |
265/1561 (16.97%)a |
74/336 (22.02%)ab |
16/57 (28.07%)abc |
<0.001 |
| Live birth rate (n%) | 7261/13172 (54.78%) |
1275/2989 (42.66%)a |
258/658 (39.21%)a |
39/156 (25.00%)abc |
<0.001 |
overall comparison between the four groups *P < 0.05; a: compared with group A, *P < 0.05; b: compared with group B, *P < 0.05; c: compared with group C, *P < 0.05.