Table 4.

Multivariate regression analysis of CBCL/1.5-5.5 Total Problems t-score.

Variable	B	SE	Beta	R 1	P -value
Model				0.713	0.001
Log fentanyl dose	−7.166	3.333	−0.572		0.039
McMaster Family Assessment Device	19.553	5.626	0.51		0.002
Maternal age	−0.468	0.342	−0.192		0.181
Gestational age	1.725	0.006	0.028		0.978
Log TPN days	5.15	0.012	0.053		0.958
PDA requiring treatment	−6.725	5.53	−0.198		0.233
Log inotrope hours	2.172	1.756	0.269		0.226

PDA, patent ductus arteriosus; TPN, total parenteral nutrition.