Opioid agonist treatment and risk of mortality during opioid overdose public health emergency: population based retrospective cohort study

Study (n=55,347) reports all cause standardised mortality ratio was lower on opioid agonist treatment (OAT) (4.6, 95 CI 4.4 - 4.8) vs. off OAT (9.7, 9.5 to 10.0); stating retention on OAT reduces risk of mortality for people with opioid use disorder.

British Medical Journal