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Table 4 Comparison of the ability of the growth chart in predicting adverse perinatal outcomes

From: Fetal growth standards for Chinese twin pregnancies

Grow chart Perinatal outcomes Among SGA Among non-SGA OR (95% CI) AUC (95% CI)
n (%) n (%)
MC & DC twins All live births n = 309 n = 1611   
Neonatal death 2(0.7) 3(0.2) 3.49(0.58, 20.99) 0.620(0.380, 0.860)
Adverse events a 113(36.6) 215(13.4) 3.74(2.85, 4.92) 0.611(0.584, 0.638)
Birth without defect n = 267 n = 1525   
Neonatal death 2(0.75) 3(0.2) 3.82(0.64, 22.95) 0.626(0.386, 0.866)
Adverse events a 84(31.5) 146(9.6) 4.32(3.17, 5.89) 0.624(0.592, 0.656)
Hadlock All live births n = 516 n = 1404   
Neonatal death 2(0.4) 3(0.2) 1.81(0.30,10.91) 0.566(0.326. 0.806)
Adverse events a 137(26.6) 191(13.6) 2.30(1.79, 2.94) 0.590(0.561, 0.619)
Birth without defect n = 469 n = 1323   
Neonatal death 2(0.4) 3(0.23) 1.88(0.31,11.27) 0.569(0.329, 0.809)
Adverse events a 106(22.6) 124(9.4) 2.81(2.12, 3.74) 0.614(0.580, 0.648)
  1. aAdverse events including: Neonatal death / Neonatal intensive care unit (NICU) ≥ 14d / Transfer to higher-level or special care unit