Table 3 Comparison of singleton neonatal outcomes between the two groups before and after PSM
Outcome | Before PSM | After PSM | ||||
|---|---|---|---|---|---|---|
GnRH-a (n = 122) | AC-FET (n = 1464) | P-value | GnRH-a (n = 122) | AC-FET (n = 424) | P-value | |
PTB (< 37 weeks) | 9 (7.4) | 254 (17.3) | 0.004 | 9 (7.4) | 63 (14.9) | 0.031 |
Gestational age (week) | 38.80 (2.01) | 38.19 (2.34) | < 0.001 | 38.80 (2.01) | 38.17 (2.13) | 0.009 |
Birth weight (kg) | 3.27 (0.58) | 3.27 (0.62) | 0.339 | 3.27 (0.58) | 3.28 (0.58) | 0.904 |
Macrosomia (> 4000 g) | 7 (5.7) | 103 (6.6) | 0.493 | 7 (5.7) | 29 (6.8) | 0.666 |
LBW (< 2500 g) | 7 (5.7) | 120 (7.7) | 0.630 | 7 (5.7) | 31 (7.3) | 0.547 |
Apgar score | 9.71 (0.66) | 9.66 (0.79) | 0.553 | 9.71 (0.66) | 9.68 (0.75) | 0.711 |
LGA | 17 (13.9) | 311 (21.2) | 0.055 | 17 (13.9) | 86 (20.3) | 0.142 |
SGA | 20 (16.4) | 90 (6.1) | < 0.001 | 20 (16.4) | 29 (6.8) | 0.002 |