Table 2: Patient demographics.
| Characteristic | Control number (%) | RUSH protocol number (%) | p |
| Age (years), mean ± SD | 64.0 ± 20.0 | 60.4 ± 15.9 | 0.26 |
| Male gender | 40 (61.5) | 30 (50.0) | 0.19 |
| Race | 0.63 | ||
| American Indian | 1 (1.7) | ||
| Asian | 6 (9.2) | 8 (13.3) | |
| Black/African American | 10 (15.4) | 11 (18.3) | |
| White | 41 (63.1) | 31 (51.7) | |
| Other | 8 (12.3) | 9 (15.0) | |
| Ethnicity | 0.21 | ||
| Non-hispanic | 50 (76.9) | 48 (80.0) | |
| Hispanic | 10 (15.4) | 4 (6.7) | |
| Not available | 5 (7.7) | 8 (13.3) | |
| Weight (kg), mean ± SD | 77.0 ± 20.9 | 74.3 ± 22.6 | 0.49 |
| Height (m), mean ± SD | 1.69 ± 0.12 | 1.66 ± 0.10 | 0.18 |
| Body mass index (BMI) (kg/m2), mean ± SD | 27.3 ± 7.9 | 26.8 ± 8.5 | 0.78 |
| APACHE IV score, mean ± SD | 80.9 ± 35.2 | 79.6 ± 29.3 | 0.83 |
| Charlson comorbidity index, mean ± SD | 5.52 ± 2.64 | 5.47 ± 2.74 | 0.91 |
| Code status | 0.07 | ||
| Full Code | 59 (90.8) | 47 (78.3) | |
| Do Not Resuscitate (DNR) | 5 (7.7) | 10 (16.7) | |
| Do Not Intubated (DNI) | 1 (1.5) | 0 (0.0) | |
| DNR/DNI | 0 (0.0) | 3 (5.0) | |
p: p-values based upon Welch’s T-test or Pearson Chi-Square.