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Table 4 Correlation analysis between clinical characteristics and factors associated with weight gain outcome after PN

From: Optimizing parenteral nutrition to achieve an adequate weight gain according to the current guidelines in preterm infants with birth weight less than 1500 g: a prospective observational study

Clinical characteristics Factors associated with weight gain outcome after PN
Maximum amino acid Days to reach maximum glucose Days to reach maximum PN energy Average lipid a
Gender .017 (.797) −.032 (.624) .074 (.260) −.075 (.259)
GA −.187 (.001) −.178 (.001) −.207 (.000) −.033 (.542)
5-min Apgar score .091 (.169) .096 (.145) .116 (.078) −.114 (.085)
BW −.236 (.000) −.223 (.000) −.239 (.000) .000 (.995)
SGA .093 (.162) .083 (.205) .103 (.118) −.023 (.724)
PNAC .078 (.238) .113 (.085) .112 (.088) .005 (.941)
Sepsis .098 (.139) .149 (.023) .102 (.119) .025 (.706)
Surgical conditions .201 (.002) .259 (.000) .227 (.001) .021 (.750)
Ventilator .205 (.000) .297 (.000) .326 (.000) −.104 (.063)
  1. a Average lipid intake during the first postnatal week. PN parenteral nutrition, GA gestational age, BW birth weight, SGA small for gestational age, PNAC parenteral nutrition-associated cholestasis. Values are reported as Kendall’s tau b correlation coefficient (p-value)