Table 2 The clinical outcomes of patients in groups A–E stratified by 35 years of age
<35 years of age | ≥ 35 years of age | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Group A | Group B | Group C | Group D | Group E | P # | Group A | Group B | Group C | Group D | Group E | P # | |
Cycles (n) | 1425 | 844 | 206 | 183 | 120 | 144 | 269 | 107 | 39 | 25 | ||
Implantation rate | 63.72b,c(908/1425) | 60.37(1019/1688) | 53.64(221/412) | 45.90(168/366) | 46.67(56/120) | 0.000 | 55.56b,c(80/144) | 52.97(285/538) | 40.19(86/214) | 26.92(21/78) | 40.0(10/25) | 0.000 |
Pregnancy rate | 63.72a,b(908/1425) | 75.59(638/844) | 72.33(149/206) | 62.30(114/183) | 46.67d(56/120) | 0.000 | 55.56a(80/144) | 73.23(197/269) | 57.0(61/107) | 41.03(16/39) | 40.0(10/25) | 0.000 |
Live birth | 54.25a,b(773/1425) | 64.57 (545/844) | 64.08 (132/206) | 48.63 (89/183) | 36.67 d(44/120) | 0.000 | 42.36a(61/144) | 59.48(160/269) | 48.60(52/107) | 30.77(12/39) | 24.0(6/25) | 0.000 |
Singleton | 52.70a,b,c (751/1425) | 33.05(279/844) | 38.84(80/206) | 25.13(46/183) | 36.67d (44/120) | 0.000 | 40.97 (59/144) | 38.29(103/269) | 33.64(36/107) | 23.08(9/39) | 24.0 (6/25) | 0.177 |
Twin | 1.55a,b,c (22/1425) | 31.52(266/844) | 25.24(52/206) | 23.50 (43/183) | 0.0d (0/120) | 0.000 | 1.39a,b (2/144) | 21.19 (57/269) | 14.95 (16/107) | 7.69 (3/39) | 0.0 (0/25) | 0.000 |
Multiple pregnancy rate | 3.52a,b,c (32/908) | 62.38 (398/638) | 49.66 (74/149) | 50.0 (57/114) | 0.0d (0/56) | 0.000 | 6.25a,b,c (5/80) | 49.24 (97/197) | 42.62 (26/61) | 31.25 (5/16) | 10.0 (1/10) | 0.000 |
Monozygotic twins rate | 3.52 (32/908) | 2.66 (17/638) | 1.34 (2/149) | 2.63 (3/114) | 0.0 (0/56) | 0.462 | 6.25 (5/80) | 4.57 (9/197) | 1.64 (1/61) | 0.0 (0/16) | 10.0 (1/10) | 0.462 |
Early abortion rate | 11.67a (106/908) | 8.31 (53/638) | 8.72 (13/149) | 15.79 (18/114) | 21.43 (12/56) | 0.037 | 20.0 (16/80) | 17.26 (34/197) | 13.11 (8/61) | 18.75 (3/16) | 30.0 (3/10) | 0.758 |
Abortion rate | 13.33 (121/908) | 11.44 (73/638) | 9.40 (14/149) | 19.30 (22/114) | 21.43 (12/56) | 0.067 | 21.25 (17/80) | 18.78 (37/197) | 14.75 (9/61) | 25.0 (4/16) | 30.0 (3/10) | 0.715 |
Ectopic pregnancy rate | 0.88 (8/908) | 1.25 (8/638) | 1.34 (2/149) | 0.0 (0/114) | 0.0 (0/56) | 0.597 | 2.50 (2/80) | 0.0 (0/197) | 0.0 (0/61) | 0.0 (0/16) | 10.0 (1/10) | 0.076 |