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Table 3 Results of multiple regression analysis between birthweight and confounding factors among live born singletons

From: The effects of embryo culture media on the birthweight of singletons via fresh or frozen-thawed embryo transfer: a large-scale retrospective study

  β t p
Maternal age (per year) −0.008 −0.45 0.65
Maternal weight (per kg) 0.211 11.77 <0.001
Frozen thawed embryo (versus fresh embryo) 0.079 4.25 <0.001
ICSI (versus IVF) 0.009 0.48 0.63
SAGE (versus Vitrolife) −0.004 −0.24 0.81
Gestational age 0.490 27.38 <0.001
Gender (male versus female) 0.110 6.33 <0.001
  1. β is the regression coefficient