Observational Study of Buprenorphine Treatment of Opioid-Dependent Pregnant Women in a Family Medicine Residency: Reports on Maternal and Infant Outcomes

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Figure 1.
Relationship between NAS severity and time to peak NAS score.

Table 1.

Characteristics of Maternal and Infant Populations

	Birth Weight (g)	Maternal Daily Dose of Buprenorphine at Delivery (mg)	NAS Severity (Peak NAS Score)	Required Treatment for NAS	Days in Hospital	Time to First Peak NAS Score (hr)	Tobacco Use during Pregnancy
	2525	16	10	No	8	103.5	Yes
	2772	10	5	No	7	65	Yes
	3745	24	5	No	6	16	No
	3110	16	10	No	7	105	Yes
	2929	12	13	No	6	104	Yes
	3487	4	8	No	6	94.3	Yes
	3025	12	14	Yes	9	143.3	Yes
	3515	6	11	No	10	41	Yes
	3170	16	12	Yes	^*	38	No
	3855	24	8	No	7	1	Yes
	3115	16	8	No	6	88.3	Yes
	3025	12	9	No	6	11.3	Yes
	3530	16	14	Yes	13	36	Yes
	3080	8	4	No	6	52	Yes
	2320	16	11	Yes	7	71	Yes
	3455	12	16	Yes	^*	39	Yes
	2885	16	19	Yes	11	114	Yes
	2778	6	18	Yes	16	38	Yes
	2870	16	11	No	6	69.3	Yes
	3415	12	9	No	6	86	No
	4295	16	10	No	6	29.3	No
	2400	16	6	No	5	58	Yes
	3095	3	9	Yes	7	120	Yes
Mean (SD)	3148 (471.0)	13.3 (5.4)	10.4 (3.9)		7.7 (2.7)	66.2 (38.4)

↵* Infants were transferred to another hospital; these infants are not included in mean number (SD) of days in hospital.
NAS, neonatal abstinence syndrome.