. Author manuscript; available in PMC: 2022 Nov 3.

Published in final edited form as: Am J Obstet Gynecol MFM. 2020 Dec 28;3(2):100304. doi: 10.1016/j.ajogmf.2020.100304

Table 2.

Absolute risks of persistent opioid use and misuse among mothers with or without exposure to opioids after vaginal delivery in Medicaid Analytic eXtract 2009–2013

Outcome	Opioid exposed No. of pregnancies =140,807		Unexposed No. of pregnancies =319,022
Outcome	Events, No. of Affected Pregnancies	Risk, No./100 Pregnancies (95% CI)	Events, No. of Affected Pregnancies	Risk, No./100 Pregnancies (95% CI)
Primary outcome
Persistent opioid use: 10 or more opioid prescription fills OR > 120 days’ supply of opioids	5,770	4.10 (3.99–4.20)	2,668	0.84 (0.80–0.87)
Secondary outcome
Persistent opioid use: ≥180 days’ supply of opioids	2,572	1.83 (1.76–1.90)	1,112	0.35 (0.33–0.37)
Opioid use disorder	3,908	2.78 (2.69–2.86)	3,833	1.20 (1.16–1.24)
Opioid overdose	60	0.04 (0.03–0.05)	62	0.02 (0.01–0.02)