Table 5.
Critical use errors for NAI and NXN
| Summary | Phase 1 | Phase 3 |
|---|---|---|
| Total participants (n) | 42 | 42 |
| NAI task completion | ||
| Remove from outer case | 42 (100.0%) | 42 (100.0%) |
| Pull off red safety guard | 42 (100.0%) | 42 (100.0%) |
| Place black end against muscle | 41 (97.6%) | 42 (100.0%) |
| Press firmly to activate | 42 (100.0%) | 42 (100.0%) |
| Hold for at least 1 s | 39 (92.9%) | 42 (100.0%) |
| NXN task completion | ||
| Remove yellow caps from syringe | 40 (95.2%) | 42 (100.0%) |
| Remove purple cap from the naloxone cartridge | 42 (100.0%) | 42 (100.0%) |
| Attach atomizer to the syringe | 15 (35.7%) | 39 (92.9%) |
| Twist or screw naloxone cartridge into syringe | 35 (83.3%) | 38 (90.5%) |
| No drug leak during assembly | 10 (23.8%) | 33 (78.6%) |
| Push cartridge to administer naloxone | 7 (16.7%) | 34 (81.0%) |
| Push remaining cartridge into other nostril | 0 (0.0%) | 27 (64.3%) |
NAI naloxone 0.4 mg auto-injector, NXN naloxone nasal atomization kit