Table 1.
Comparison of baseline demographics, injury severity, and acuity between group 1 and group 2 patients.
| Group 1 (n = 28) | Group 2 (n = 33) | P | |
|---|---|---|---|
| Demographics | |||
| Age, (y) | 25 (21–39) | 26 (21–43) | 0.48 |
| Race, n (%) | |||
| Caucasian | 1 (4) | 2 (6) | 0.78 |
| African American | 26 (93) | 29 (88) | |
| Asian | 1 (4) | 1 (3) | |
| Other or unknown | 0 (0) | 1 (3) | |
| Male, n (%) | 27 (97) | 30 (91) | 0.62 |
| Injury | |||
| Mechanism of injury, n (%) | |||
| Blunt | 0 (0) | 5 (15) | 0.06 |
| Penetrating | 28 (100) | 28 (85) | 0.87 |
| ISS | 25 (17–33) | 26 (19–38) | 0.18 |
| Abdominal AIS | 4 (3–4) | 4 (3–4) | 0.84 |
| Admission GCS | 15 (14–15) | 15 (11–15) | 0.75 |
| Pancreatic injury, n (%) | 3 (11) | 1 (3) | 0.33 |
| Duodenal injury, n (%) | 2 (7) | 5 (15) | 0.44 |
| SB anastomosis, n (%) | 15 (54) | 20 (61) | 0.61 |
| Physiology | |||
| Admission heart rate | 104 (81–128) | 96 (80–115) | 0.53 |
| Admission systolic blood pressure | 120 (95–143) | 113 (90–136) | 0.53 |
| Lab values | |||
| Peak lactate in the first 24 h | 3.8 (3.4–6.3) | 5.4 (4.3–7.8) | 0.01 |
| Lowest hemoglobin in the first 24 h | 8.2 (7–8.8) | 8.7 (6.8–10.3) | 0.69 |
| Peak INR in the first 24 h | 1.4 (1.3–1.7) | 1.5 (1.2–1.7) | 0.93 |
| Transfusion and resuscitation | |||
| PRBC (U)* | 6 (3–9) | 4 (2–6) | 0.18 |
| Platelets (U)* | 0 (0–4) | 0 (0–1) | 0.28 |
| FFP (U)* | 4 (0–6) | 3 (0–4) | 0.65 |
| Crystalloid (L)* | 6 (4–8) | 6 (5–9) | 0.85 |
| Lowest OR temperature (°C)* | 35.5 (34.6–36.2) | 35.8 (35.2–36.2) | 0.46 |
GCS = glasgow coma scale; INR = international normalized ratio; PRBC = packed red blood cells; FFP = fresh frozen plasma; OR = operating room.
Median and interquartile range reported for continuous variables.
P value is based on the Wilcoxon rank sum test for continuous variables and χ2 or Fisher exact test for categorical variables.
*
During the first abdominal surgery.