Table 4.
Baseline characteristics of the hospitals of the multiply imputed and propensity score-matched dataset
| Variables | OCCPR (n = 531) | CCCPR (n = 531) | ASMD |
|---|---|---|---|
| ACS trauma center level, n (%) | |||
| I | 424 (79.9) | 416 (78.3) | 0.04 |
| II | 107 (20.1) | 115 (21.7) | 0.04 |
| Teaching status, n (%) | |||
| University | 377 (71.0) | 362 (68.2) | 0.06 |
| Community | 125 (23.5) | 136 (25.6) | 0.05 |
| Non-teaching | 29 (5.5) | 33 (6.2) | 0.03 |
Abbreviations: OCCPR open-chest cardiopulmonary resuscitation, OCCPR closed-chest cardiopulmonary resuscitation, ASMD absolute standardized mean difference, ACS American College of Surgeons