Variable | GnRH Antagonist(A) | Long GnRH-a(B) | GnRH-a ultra-long (C) | Overall p value | A vs B | A vs C | B vs C |
---|---|---|---|---|---|---|---|
Number of patients, n (%) | 633(75.8) | 116(13.9) | 86(10.3) | Â | Â | Â | Â |
Maternal age, y | 33.22 ± 4.88 | 32.97 ± 4.58 | 31.14 ± 4.07 | 0.001 | 1.00 |  < 0.001* | 0.016* |
Body mass index, kg/m2 | 22.31 ± 3.24 | 22.48 ± 2.94 | 22.49 ± 3.20 | 0.508 |  |  |  |
Baseline FSH, mIU/mL | 9.32 ± 3.74 | 8.18 ± 2.25 | 8.67 ± 2.90 | 0.016 | 0.024* | 0.447 | 1.00 |
Antral follicle count (AFC) | 7.07 ± 2.37 | 9.01 ± 2.64 | 10.01 ± 3.70 |  < 0.001 |  < 0.001* |  < 0.001* | 1.00 |
AMH level, ng/ml | 0.84 ± 0.24 | 0.93 ± 0.20 | 0.92 ± 0.25 |  < 0.001 |  < 0.001* | 0.001* | 1.00 |
Duration of infertility, years | 3.36 ± 3.01 | 3.58 ± 2.81 | 3.47 ± 2.46 | 0.208 |  |  |  |
Infertility diagnosis | Â | Â | Â | 0.351 | Â | Â | Â |
Primary infertility, % | 61.0(386/633) | 54.3(63/116) | 57.0(49/86) | Â | Â | Â | Â |
Secondary infertility, % | 39.0(247/633) | 45.7(53/116) | 43.0(37/86) | Â | Â | Â | Â |
Gn duration, days | 9.48 ± 1.53 | 10.09 ± 1.87 | 11.03 ± 1.70 |  < 0.001 | 0.004 |  < 0.001* |  < 0.001* |
Gonadotropin dose, IU | 2883 ± 768 | 2878 ± 786 | 3257 ± 790 |  < 0.001 | 1.00 | 0.001* |  < 0.001* |
E2 on hCG, pg/mL | 1558 ± 885 | 1949 ± 1049 | 1618 ± 996 | 0.001 |  < 0.001* | 1.00 | 0.039* |
P on hCG day, ng/mL | 0.73 ± 0.39 | 0.78 ± 0.38 | 0.73 ± 0.37 | 0.223 |  < 0.001* | 1.00 | 0.039* |
No. of oocytes retrieved | 5.87 ± 3.36 | 6.95 ± 3.66 | 7.91 ± 4.80 |  < 0.001 | 0.007* |  < 0.001* | 0.960 |
No. of MII oocytes | 5.20 ± 3.03 | 5.93 ± 3.21 | 6.94 ± 4.40 |  < 0.001 | 0.056 | 0.001* | 0.690 |
Oocyte maturation rate | 0.90 ± 0.16 | 0.87 ± 0.19 | 0.88 ± 0.15 | 0.054 |  |  |  |
The number of 2PN | 3.58 ± 2.54 | 3.92 ± 2.62 | 4.78 ± 3.57 | 0.015 | 0.434 | 0.022* | 0.781 |
Normal fertilization rate | 0.64 ± 0.28 | 0.59 ± 0.27 | 0.64 ± 0.24 | 0.208 |  |  |  |
Good-quality embryo rate on day 3 | 0.50 ± 0.34 | 0.44 ± 0.31 | 0.48 ± 0.27 | 0.557 |  |  |  |
blastocyst formation rate | 0.56 ± 0.38 | 0.54 ± 0.36 | 0.54 ± 0.35 | 0.737 |  |  |  |
No. of available embryos | 3.58 ± 2.49 | 3.94 ± 2.61 | 4.76 ± 3.58 | 0.017 | 0.412 | 0.027* | 0.872 |
Available embryo rate | 0.64 ± 0.28 | 0.60 ± 0.26 | 0.63 ± 0.24 | 0.207 |  |  |  |
No. of embryos transferred | 1.00 ± 0.76 | 1.24 ± 0.81 | 1.19 ± 0.68 | 0.002 | 0.005* | 0.126 | 1.00 |
Endometrial thickness, mm | 10.92 ± 2.57 | 11.40 ± 2.51 | 11.28 ± 2.38 | 0.022 | 0.068 | 0.182 | 1.00 |
Cumulative live birth rate, % | 35.5(225/633) | 37.9(44/116) | 51.2(44/86) | 0.019 | 1.00 | 0.015* | 0.165 |
Live birth rate, %b | 26.2(166/633) | 31.3(36/115) | 45.3(39/86) | 0.001 | 0.808 | 0.001* | 0.090 |
Live birth rate, %c | 36.6(166/454) | 40.9(36/88) | 53.4(39/73) | 0.022 | 1.00 | 0.019* | 0.317 |
Clinical pregnancy rate, %b | 32.2(204/633) | 37.9(44/116) | 51.2(44/86) | 0.002 | 0.710 | 0.002* | 0.154 |
Clinical pregnancy rate, %c | 44.9(204/454) | 49.4(44/89) | 60.3(44/73) | 0.047 | 1.00 | 0.045* | 0.509 |