ANOVA analysis with post-hoc comparisons of the infants’ fat-free mass in the first 6 months of life according to the umbilical artery RI and AGA/SGA classifications.

ANOVA analysis with post-hoc comparisons of the infants’ fat-free mass in the first 6 months of life according to the umbilical artery RI and AGA/SGA classifications.依据脐动脉阻力指数（umbilical artery Resistance Index, RI）以及适于胎龄（AGA）/小于胎龄（SGA）的分类标准，对婴儿出生后前6个月的无脂体重开展方差分析（ANOVA）与事后多重比较。