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. 2020 Jul 9;17(1):10–15. doi: 10.1007/s13181-020-00795-3

Table 3.

Fatal opioid-involved overdose postmortem toxicology testing comparison

Cases with buprenorphine (n = 29) Cases without buprenorphine or methadone (n = 439) Cases with methadone (n = 66)
Average age (years) 43.2 40.9 45.3
Average drugs and metabolites on toxicology testing 9.24 6.51 7.8
% with fentanyl 75.9 78.6 37.9