Characteristics | Quantile 1 | Quantile 2 | Quantile 3 | Quantile 4 | P-value |
---|---|---|---|---|---|
N | 242 | 241 | 241 | 242 | Â |
Age(year) | 28.03 ± 2.98 | 28.38 ± 3.23 | 28.30 ± 3.25 | 28.53 ± 3.20 | 0.375 |
Primary infertility | Â | Â | Â | Â | 0.317 |
No | 70 (28.93%) | 77 (31.95%) | 62 (25.73%) | 61 (25.21%) | Â |
Yes | 172 (71.07%) | 164 (68.05%) | 179 (74.27%) | 181 (74.79%) | Â |
Smoking history, n (%) | Â | Â | Â | Â | 0.111 |
No | 238 (98.35%) | 241 (100.00%) | 240 (99.59%) | 241 (99.59%) | Â |
Yes | 4 (1.65%) | 0 (0.00%) | 1 (0.41%) | 1 (0.41%) | Â |
Duration of infertility(year) | 2.00 (2.00–3.00) | 3.00 (2.00–4.00) | 3.00 (2.00–4.00) | 3.00 (2.00–5.00) | 0.615 |
BMI (kg/m2) |  |  |  |  | < 0.001 |
< 18.5 | 38 (15.70%) | 0 (0.00%) | 0 (0.00%) | 0 (0.00%) |  |
≥ 18.5, < 25 | 204 (84.30%) | 230 (95.44%) | 109 (45.23%) | 4 (1.65%) |  |
≥ 25, < 30 | 0 (0.00%) | 11 (4.56%) | 130 (53.94%) | 141 (58.26%) |  |
≥ 30 | 0 (0.00%) | 0 (0.00%) | 2 (0.83%) | 97 (40.08%) |  |
Basal FSH(IU/L) | 6.98 ± 1.60 | 6.64 ± 1.73 | 6.43 ± 1.45 | 6.50 ± 2.93 | 0.016 |
Basal LH(IU/L) | 7.29 ± 3.23 | 7.97 ± 3.08 | 7.10 ± 3.95 | 6.87 ± 3.91 | 0.243 |
Basal E2 (pg/mL) | 44.00 (32.00-61.40) | 45.00(33.00–58.00) | 44.00(33.00–57.00) | 42.00 (30.00–56.00) | 0.531 |
Basla T (ng/dl) | 0.54 (0.41–0.67) | 0.55 (0.43–0.70) | 0.57 (0.43–0.73) | 0.59 (0.44–0.75) | 0.981 |
AMH (ng/ml) | 12.32 ± 5.33 | 11.54 ± 5.34 | 12.22 ± 5.40 | 10.34 ± 5.51 | < 0.001 |
AFC | 16.41 ± 5.14 | 16.30 ± 4.76 | 15.10 ± 4.83 | 14.12 ± 4.79 | < 0.001 |
Starting dose of Gn (IU) | 172.35 ± 28.65 | 180.39 ± 30.08 | 191.90 ± 32.86 | 213.34 ± 38.46 | < 0.001 |
Total Gn dose (IU) | 1479.62 ± 333.40 | 1643.59 ± 428.46 | 1900.37 ± 663.03 | 2345.38 ± 723.20 | < 0.001 |
Duration of Gn (day) | 8.69 ± 1.20 | 8.95 ± 1.41 | 9.32 ± 1.88 | 10.02 ± 2.03 | < 0.001 |
Total GnRH-ant(IU) | 1.12 (1.00-1.50) | 1.25 (1.00-1.50) | 1.00 (0.75–1.50) | 1.12 (0.75–1.59) | 0.139 |
Duration of GnRH-ant (day) | 5.07 ± 1.85 | 5.12 ± 1.97 | 4.89 ± 1.85 | 5.19 ± 1.96) | 0.341 |
Endometrial thickness on triggering day (mm) | 9.67 ± 1.61 | 9.76 ± 1.54 | 9.88 ± 1.47 | 9.64 ± 1.56 | 0.241 |
E2 on triggering day (pg/ml) | 7061.50 (5006.50-10079.00) | 6566.00 (4870.00-9161.00) | 5935.00 (4296.00-9087.00) | 4856.00 (3433.50-7212.50) | < 0.001 |
P on triggering day (ng/ml) | 1.47 (1.04–2.02) | 1.36 (0.99–1.80) | 1.30 (0.98–1.72) | 1.14 (0.81–1.57) | < 0.001 |
LH on triggering day (IU/L) | 2.38 (1.49–3.52) | 2.81 (1.64–4.30) | 2.62 (1.71–4.31) | 3.03 (1.93–5.19) | 0.020 |