Table 2:

Characteristics of hospital admissions and emergency department visits for opioid toxicity events, overall and by opioid agonist therapy initiation within 7 days of discharge*

Visit characteristicsOverall no. (%) of patientsNo. (%) of patients who initiated OATNo. (%) of patients who did not initiate OATStandardized difference
Hospital admission
No. of patients52192155004
Median length of stay, d (IQR)2 (1–5)3 (1–6)2 (1–5)0.26
Admission to ICU2395 (45.9)110 (51.2)2285 (45.7)0.11
 Median length of stay, d (IQR)2 (1–4)3 (1–5)2 (1–3)0.33
Discharge disposition
 Home (with or without services)4349 (83.3)176 (81.9)4173 (83.4)0.04
 Patient-initiated discharge798 (15.3)35 (16.3)763 (15.2)0.03
 Group or supportive living72 (1.4)≤ 5 (≤ 2.3)68 (1.4)0.04
Emergency department visit only
No. of patients15 48363614 847
Discharge disposition
 Home (with or without services)12 620 (81.5)522 (82.1)12 098 (81.5)0.02
 Patient-initiated discharge2200 (14.2)94 (14.8)2106 (14.2)0.02
 Group or supportive living663 (4.3)20 (3.1)643 (4.3)0.06
  • Note: ICU = intensive care unit, IQR = interquartile range, OAT = opioid agonist therapy.

  • * Patients who experienced multiple toxic events during the study period were counted each time.

  • Unless otherwise specified.