Fig. 3From: Outcome reporting in neonates experiencing withdrawal following opioid exposure in pregnancy: a systematic reviewAssignment of outcome terms to OMERACT 2.0 core areas. Parentheses show the number of studies in which the outcome was used as primary outcome/used as secondary outcome. See Table 2 for definitions of adverse events and treatment failure. ER emergency room, NAS neonatal abstinence syndrome, NICU neonatal intensive care unitBack to article page