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Table 3 Neonatal outcomes in singleton pregnancya

From: Maternal hepatitis B virus carrier status and pregnancy outcomes: a prospective cohort study

Outcome HBV carriers (n = 497) Controls (n = 20,001) P
Full-term birth 413 (83.10 %) 17,364 (86.82 %) 0.016
Preterm birth 36 (7.24 %) 1462 (7.31 %) 0.955
Stillbirth 0 12 (0.06 %) 0.585
Miscarriage 48 (9.66 %) 1163 (5.81 %) <0.001
Weight of neonates (g) 3311.26 ± 510.34 3330 ± 509.08 0.436
 Unknown 0 9  
 <1500 g 4 108 0.585
 1500–2500 g 21 797  
 2500–3999 g 392 17,489  
 ≥4000 g 32 1,598  
LBW
 Unknown 0 9  
 No 472 19,087 0.594
 Yes 25 905  
SGA <10 centile
 Unknown 0 9 0.461
 No 475 18,959  
 Yes 22 1,033  
Apgar at 5 min 9.90 ± 0.53 9.87 ± 0.69 0.336
 ≥7 488 19,744 0.292
 <7 9 257  
  1. Abbreviations: LBW low birth weight, SGA small for gestational age
  2. aValues are reported as mean ± SD, compared with t test, or number (percentage), compared with χ 2 test, unless otherwise indicated