Factor | No vasopressor (n=60) | 1 or more vasopressor doses (n=32) | P value |
Age | 31 (±18) | 37 (±17) | 0.045 |
Male gender, n (%) | 45 (75) | 26 (81) | 0.496 |
White race, n (%) | 58 (96) | 32 (100) | 0.580 |
Polysubstance on UDS, n (%) | 51 (85) | 28 (87) | 0.743 |
Mechanism of injury, penetrating, n (%) | 21 (35) | 19 (59) | 0.025 |
ISS (continuous) | 12 (±13) | 13.5 (±12) | 0.708 |
ISS categories and scores: (n, % within group) | 0.305 | ||
Mild (<9) | 10 (16) | 8 (19) | |
Moderate (9–15) | 26 (43) | 9 (28) | |
Severe (16–25) | 15 (25) | 12 (44) | |
Profound (>25) | 9 (15) | 3 (9) | |
OR duration | 2.5 (±9) | 2.75 (±7.5) | 0.760 |
ASA class, n (% within group) | <0.01 | ||
1 | 2 (3.3) | 0 (0) | |
2 | 30 (50) | 7 (21) | |
3 | 12 (20) | 17 (53) | |
4 | 7 (11) | 5 (15) | |
5 | 9 (15) | 3 (9) | |
Emergent OR, n (%) | 36 (60) | 24 (75) | 0.150 |
Intubation prior to OR, n (%) | 20 (33) | 11 (34) | 0.920 |
ASA, American Society of Anesthesiologists; ISS, Injury Severity Score; OR, Operating Room ; UDS, urine drug screen.