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Table 4 Included literature by subject theme

From: Take-home naloxone programs for suspected opioid overdose in community settings: a scoping umbrella review

Subject themes

Number of studies included (%)*

Studies included

Naloxone dosing or routes of administration

14 (29.8%)

[30, 39, 40, 42, 44, 49, 54, 55, 61,62,63, 68,69,70]

Provision, feasibility and acceptability of naloxone distribution

13 (27.7%)

[28, 35,36,37, 41, 43, 46,47,48, 52, 56, 67, 68]

Effectiveness of naloxone and take-home naloxone (THN) for opioid overdose reversal

10 (21.3%)

[9, 11, 27, 29, 31, 33, 38, 45, 51, 61, 64]

Overdose response after naloxone administration

6 (12.8%)

[30, 34, 53, 65, 66, 71]

Naloxone training and education

6 (12.8%)

[11, 31, 33, 36, 47, 51]

Recommendations for policy, practice, and gaps in knowledge

4 (8.5%)

[57,58,59,60]

Naloxone safety (harm and adverse events related to naloxone administration)

3 (6.4%)

[9, 32, 50]

Cost-effectiveness

3 (6.4%)

[9, 64, 68]

  1. *Percentages do not add up to 100% because some document subject themes overlap