Table 4:

Opioid overdose death rates and rate ratios with 95% confidence intervals (CI) in period following treatment (tx) discharge, comparing the period during and after the first 4 weeks since treatment discharge in patients leaving medication and non-medication treatment

	Person -Years	Number of opioid overdose deaths	Opioid overdose death rate per 1000 person-years	Opioid overdose death rate ratio (95% CI)
After Medication Treatment
Up to 4 weeks after tx	78	2176	35.85	2.91 (2.14–3.95)
Post-4 weeks after tx	102	8282	12.32	1
After Non-Medication Treatment
Up to 4 weeks after tx	43	2270	18.94	1.59 (1.04–2.27)
Post-4 weeks after tx	119	9981	11.92	1