Table 4. Factors associated with neonatal creatinine levels at one month using multivariate analysis.

	<29 wks		29–36 wks		Preterm
	(N = 138)		(N = 109)		(N = 247)
	Β	P	β	p	Β	p
GA	−0.259	0.002	−0.209	0.028	−0.367	0.007
BW	-	-	-	-	−0.064	0.596
RDS	-	-	-	-	0.07	0.316
PIH	−0.235	0.004	-	-	−0.171	0.003
INDO	-	-	-	-	−0.025	0.69
Antibiotics	-	-	-	-	0.053	0.393
SGA	-	-	-	-	−0.092	0.2
mSCr	-	-	0.157	0.098	-	-

GA: gestational age, BW: birth weight, RDS: respiratory distress syndrome, PIH: pregnancy-induced hypertention, INDO: indomethacin administration to neonate, Antibiotics: antibiotics administration to neonates, SGA: small for gestational age, mSCr: maternal serum creatinine levels. β means standardized regression coefficient.