Table 1. The characteristics of the study population and baseline data.
| Variable | Pregnancy | Clinical pregnancy | Ongoing pregnancy | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| No (n=24) | Yes (n=61) | P | No (n=38) | Yes (n=47) | P | No (n=46) | Yes (n=39) | P | |||
| Age (years) | 34.67±4.37 | 33.62±3.76 | 0.27 | 34.68±4.13 | 33.30±3.71 | 0.10 | 34.59±4.24 | 33.13±3.44 | 0.08 | ||
| Basal E2 (pg/mL) | 38.69 (26.85, 50.83) | 39.16 (33.44, 48.64) | 0.59 | 39.2 (30.01, 44.70) | 38.73 (33.16, 50.00) | 0.60 | 47.14 (39.02, 47.14) | 38.73 (33.71, 57.31) | 0.48 | ||
| Basal P (ng/mL) | 0.16 (0.05, 0.34) | 0.23 (0.13, 0.32) | 0.35 | 0.18 (0.08, 0.31) | 0.23 (0.13, 0.32) | 0.35 | 0.19 (0.08, 0.31) | 0.25 (0.17, 0.37) | 0.11 | ||
| AMH (ng/mL) | 2.34 (1.59, 3.83) | 3.34 (2.01, 5.28) | 0.05 | 2.33 (1.55, 3.98) | 3.50 (2.45, 6.41) | 0.002** | 2.43 (1.64, 4.03) | 3.76 (2.45, 7.00) | 0.002** | ||
| BMI (kg/m2) | 24.08±2.85 | 23.33±3.34 | 0.18 | 23.63±2.95 | 23.48±3.44 | 0.62 | 23.53±3.04 | 23.56±3.46 | 0.96 | ||
| Number of high-quality embryos | 1.00 (1.00, 2.00) | 1.00 (1.00, 2.00) | 0.50 | 1.00 (1.00, 2.00) | 1.00 (1.00, 2.00) | 0.12 | 1.00 (1.00, 2.00) | 1.00 (1.00, 2.00) | 0.36 | ||
| Duration of infertility (years) | 3.00 (2.25, 5.75) | 3.00 (2.00, 4.50) | 0.15 | 3.00 (2.00, 5.00) | 3.00 (2.00, 5.00) | 0.14 | 3.00 (2.00, 5.00) | 3.00 (2.00, 5.00) | 0.47 | ||
| E2 on day P (pg/mL) | 285.00 (230.25, 376.88) | 267.50 (214.15, 354.50) | 0.54 | 291.75 (226.50, 375.63) | 266.00 (208.50, 338.80) | 0.32 | 279.95 (225.00, 374.03) | 266.00 (208.50, 351.00) | 0.61 | ||
| P on day P + 2 (ng/mL) | 14.32 (11.70, 19.46) | 12.43 (9.11, 16.46) | 0.12 | 14.34 (11.75, 18.59) | 11.58 (9.04, 16.17) | 0.08 | 14.25 (10.86, 16.75) | 11.58 (9.04, 16.95) | 0.27 | ||
Data are presented as mean ± standard deviation or median (interquartile range). **, P<0.01. E2, estradiol; P, progesterone; AMH, anti-Müllerian hormone; BMI, body mass index.