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Table 5 Potential influencing factors for SDS at age 5 years by multiple linear regression

From: Enteral feeding advancement and growth until 5 years in extremely preterm infants

  Influence on SDSW Influence on SDSHC Influence on SDSL
r2 = 0.1573 r2 = 0.3219 r2 = 0.2070
Estimate p-value Estimate p-value Estimate p-value
Intercept −5.751 0.0322 −0.5291 ns 0.4486 ns
Gestational age at birth 0.1915 ns −0.01476 ns −0.01206 ns
SDS at birth a / at discharge b 0.4286 0.0041 0.4930 0.0058 0.3374 0.0004
Gender 0.3009 ns 0.7060 ns −0.09560 ns
Cohort1/2 −0.3275 ns −0.5057 ns −0.2198 ns
Cumulative parenteral protein intake d1-d28 −0.0004704 ns −0.02922 0.0236 0.01227 ns
  1. Abbreviations: not significant (ns), Standard deviation score (SDS)
  2. a For weight and head circumference; b for length/height