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Baseline clinical characteristics for all patients, patients providing embryos that were transferred but did not result in a live birth, and patients who achieved a live birth.
| Characteristic | Total (N = 3021) | LB (N = 1412) | NLB (N = 1609) | P value |
|---|---|---|---|---|
| Maternal age (years) | 30.39 ± 15.7 | 29.77 ± 12.31 | 30.89 ± 18.07 | P < 0.001 |
| Maternal BMI (kg/m2) | 22.04 ± 9.19 | 21.96 ± 9.12 | 22.05 ± 9.235 | P = 0.41 |
| Number of oocytes retrieved | 12.91 ± 17.94 | 13.07 ± 17.44 | 12.77 ± 18.42 | P = 0.053 |
