Dosage, routes of administration, episodes of respiratory depression following injected and oral opioid medication for each participant.

✓ indicates the occurrence of the corresponding adverse event.
a indicates data not collected.
ID = patient identification number. T0 = baseline. T30 = 30 minutes after injected opioid. “0–30” indicates the time period between T0 and T30. “30–60” indicates the time period between T30 and 60 minutes post injected opioid. Resp pause > 10s = absence of inspiratory airflow for more than 10s. IM = intramuscular injection. IV = intravenous injection. SROM = sustained release oral morphine.
Dosage, routes of administration, episodes of respiratory depression following injected and oral opioid medication for each participant.