Table 4. Independent risk factors for feeding intolerance and interruption.

Period	Outcome	Variable	OR (95%CI)	p-value
Days 1–3	Feeding intolerance	Gestational age	0.80 (0.65–0.98)	0.036
	Feeding interruption	Gestational age	0.63 (0.42–0.92)	0.019
		SNAPPE >40	1.04 (1.00–1.07)	0.050
Days 4–7	Feeding intolerance	Gestational age	0.75 (0.60–0.93)	0.009
	Feeding interruption	Gestational age	0.53 (0.33–0.85)	0.009
		Maternal MgSO4	0.20 (0.05–0.92)	0.039
Days 8–28	Feeding intolerance	Gestational age	0.59 (0.46–0.77)	<0.001
		SGA	5.99 (1.64–21.82)	0.008

SGA: small for gestational age; OR: Odds Ratio; 95%CI: 95% confidence interval.