Duration (A), timing (B), setting of administration of first opioid (C), and nonopioid administration (D) among opioid-naive patients who received opioids in the hospital, by admission type.
Patterns of opioid administration reported for 92 433 stays during which ≥1 opioid was administered and that met all other study inclusion criteria. ED = emergency department; ICU = intensive care unit; PACU = postanesthesia care unit.