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. Author manuscript; available in PMC: 2021 Apr 1.
Published in final edited form as: J Pediatr. 2020 Jan 24;219:146–151.e1. doi: 10.1016/j.jpeds.2019.12.018

Table 4.

Neurodevelopment at 18 Month Follow-up

Mean (SD) Methadone Morphine 95% CI
(difference)
Bayley-III n=47 n=36
 Cognitive Composite 100.1 (21.4) 98.1 (17.2) −6.61, 10.76
 Language Composite 96.0 (16.9) 94.2 (18.2) −5.98, 9.41
 Motor Composite 103.4 (17.2) 99.1 (17.2) −3.19, 11.93
Child Behavior Checklist n=43 n=34
 Externalizing Problems 49.3 (11.7) 49.0 (10.2) −4.77, 5.34
 Internalizing Problems 45.5 (11.6) 45.7 (11.3) −5.43, 5.01
 Total Problems 48.5 (12.1) 48.5 (11.1) −5.34, 5.31
Mean (SD) Atypical Profile Typical Profiles 95% CI
(difference)
Bayley-III n=21 n=62
 Cognitive Composite 95.5 (19.5) 100.5 (19.7) −4.83, 14.88
 Language Composite 93.7 (17.1) 95.7 (17.6) −6.79, 10.75
 Motor Composite 101.9 (19.1) 101.4 (16.7) −9.12, 8.25
Child Behavior Checklist n=18 n=59
 Externalizing Problems 54.2 (11.5) 47.6 (10.4) −12.31, −0.84
 Internalizing Problems 51.7 (13.7) 43.7 (9.9) −13.89, −2.20
 Total Problems 55.2 (13.4) 46.4 (10.2) −14.70, −2.87
Mean (SD) Phenobarbital at
discharge
No
phenobarbital at
discharge
95% CI
(difference)
Bayley-III n=16 n=67
 Cognitive Composite 89.1 (15.2) 101.7 (19.9) 2.02, 23.16
 Language Composite 83.5 (14.8) 98.0 (16.9) 5.35, 23.62
 Motor Composite 93.1 (9.87) 103.5 (18.0) 1.12, 19.71
Child Behavior Checklist n=16 n=61
 Externalizing Problems 53.5 (11.2) 48.0 (10.7) −11.57, 0.54
 Internalizing Problems 51.0 (15.1) 44.1 (9.8) −13.06, −0.67
 Total Problems 54.0 (14.6) 47.1 (10.3) −13.27, −0.63