Table 2.

Variables independently associated with the absence of weight and length catch-up growth at 36 months of age at multivariate binary logistic regression.

	Absence of weight catch-up growth			Absence of length catch-up growth
	OR	95% IC	P value	OR	95% IC	P value
Gender (male vs female)	1.01	0.48–2.17	0.9	0.84	0.31–2.25	0.73
Respiratory support (yes vs no)	1.63	0.49–5.40	0.4	0.85	0.18–3.99	0.84
Perinatal infection (yes vs no)	1.39	0.27–7.10	0.7	1.22	0.15–9.60	0.84
Being twin (no vs yes)	1.61	1.08–2.40	0.02	1.88	1.11–3.18	0.018
Weight <10 pct at 12 months (yes vs no)	9.31	4.28–20.28	<0.001	34.65	11.46–104.77	<0.001
Any human milk feeding during hospital stay (yes vs no)	0.59	0.40–0.9	0.011	0.57	0.33–0.99	0.046
Intrauterine growth restriction (no vs yes)	1.04	0.49–2.23	0.90	2.98	1.06–8.38	0.038

Pct percentile.