Article Figures & Data
Figures
- Figure 1.
Proportion of narcotic-exposed neonates during consecutive 6-month periods from January 1, 2009, to June 30, 2013: P < .001 when comparing the period from January 2009 to June 2010 and the period from July 2010 to June 2013.
Data for January 2009 to June 2010 from Kelly et al3.
- Figure 2.
Patterns of use of narcotics in pregnancy: P < .001 when comparing the 2 time periods.
Data for January 2009 to June 2010 from Kelly et al.3
Tables
- Table 1.
Maternal characteristics: Significance tests for age, parity, and gestational age are based on t tests; the rest are based on χ2 tests.
CHARACTERISTIC TOTAL PREGNANCIES N = 1206 EXPOSED PREGNANCIES N = 300 P VALUE Mean (SD) age, y 24.6 (5.9) 24.2 (4.7) .088 Mean (SD) parity 2.8 (1.8) 2.9 (1.7) .152 Mean (SD) gestational age, wk 38.9 (1.5) 38.9 (1.3) .825 Smoking, n (%) 672 (55.7) 250 (83.3) < .001* Alcohol consumption, n (%) 225 (18.7) 39 (13.0) .003* Hypertension, n (%) 70 (5.8) 19 (6.3) .657 Type 2 diabetes mellitus, n (%) 38 (3.2) 13 (4.3) .184 Gestational diabetes, n (%) 90 (7.5) 20 (6.7) .533 Cesarean section, n (%) 305 (25.3) 74 (24.7) .774 Nonelective cesarean section, n (%) 193 (16.0) 51 (17.0) .497 Out-of-hospital delivery, n (%) 36 (3.0) 4 (1.3) .052 Postpartum hemorrhage, n (%) 112 (9.3) 28 (9.3) .978 ↵* Statistically significant difference between exposed and nonexposed pregnancies.
- Table 2.
Neonatal characteristics: Significance tests for birth weight, Apgar score, head circumference, length, and blood pH are based on t tests; the rest are based on χ2 tests.
CHARACTERISTIC TOTAL PREGNANCIES N = 1206 EXPOSED PREGNANCIES N = 300 PVALUE Mean (SD) birth weight, g 3526.3 (556.1) 3420.8 (538.6) < .001* Mean (SD) Apgar score at 1 min 8.5 (1.1) 8.5 (1.3) .794 Mean (SD) Apgar score at 5 min 9.0 (0.5) 8.9 (0.7) .148 Mean (SD) head circumference, cm 35.0 (1.7) 34.8 (1.5) .103 Mean (SD) length, cm 50.9 (3.2) 50.5 (3.2) .011* Mean (SD) arterial pH 7.24 (0.09) 7.25 (0.08) .211 Mean (SD) venous pH 7.30 (0.24) 7.31 (0.08) .254 Preterm birth (< 37 wk), n (%) 54 (4.5) 16 (5.3) .408 NAS, n (%) 54 (4.5) 54 (18.0) < .001* Finnegan score ≥ 8,† n (%) 32 (2.7) 32 (10.7) < .001* Male sex, n (%) 596 (49.4) 136 (45.3) .099 Transfers out, n (%) 18 (1.5) 8 (2.7) .093 Stillbirths, n (%) 12 (1.0) 3 (1.0) 1.0
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