Table 4. Outcomes of Patients With Traumatic OHCA by the Type of ALS Professional in the Propensity Score–Matched Cohort.
| Outcome | Favorable Outcomes, No. (%) | RR (95% CI) | P Value | |
|---|---|---|---|---|
| ALS by Physician (n = 814) | ALS by EMS Personnel (n = 814) | |||
| Prehospital ROSC | 87 (10.7) | 57 (7.0) | 1.53 (1.11-2.10) | .009 |
| 1-mo Overall survival | 24 (3.0) | 12 (1.5) | 2.00 (1.01-3.97) | .04 |
| Neurologic outcome (CPC 1 or 2) | 7 (0.9) | 0 | NA | .008 |
| CPC 1 | 5 (0.6) | 0 | NA | NA |
| CPC 2 | 2 (0.3) | 0 | NA | NA |
| CPC 3 | 6 (0.7) | 3 (0.4) | NA | NA |
| CPC 4 | 10 (1.2) | 8 (1.0) | NA | NA |
| CPC 5 | 791 (97.2) | 803 (98.6) | NA | NA |
Abbreviations: ALS, advanced life support; CPC, Glasgow-Pittsburgh cerebral performance category; EMS, emergency medical service; NA, not applicable; OHCA, out-of-hospital cardiac arrest; ROSC, return of spontaneous circulation; RR, risk ratio.