ALS procedures and procedure failure rates in time critical cases for each crew type
| Mixed crew | All-APS crew | Difference* | |
|---|---|---|---|
| *χ2 test; NS=not significant. | |||
| ALS procedures attempted | 500 (0.76/case) | 658 (0.90/case) | p=0.001 |
| Procedures failures | 17 (3% of procedures) | 34 (5% of procedures) | NS |