Table 1.

Demographics

	Prenatal Opioid Exposed infants N = 10	Non-opioid Exposed infants N = 12	P-value (t test)
Gestational age in weeks, Mean (SD)	38.48 (1.17)	39.37 (0.81)	0.07
Age at MRI in days, Mean (SD)	31.9 (14)	28.5 (14.83)	0.61
Sex	8 Female: 2 Male	6 Female: 6 Male	0.20†
Maternal depression (N)	4	1	0.14†
Need for postnatal opioid treatment (N)	3	N/A	N/A
APGAR 1 min, Mean	8.56	8.25	0.51
APGAR 5 min, Mean	8.78	8.83	0.84
Birth weight in Kg, Mean (SD)	2.84 (0.25)	3.34 (0.27)	< 0.001
Length of hospital stay, Mean (SD)	7.7 (4.73)	2 (0.91)	<0.01

^†Fisher exact Chi Square test