Table II.
On-arrival variables
| Variables* | All patients (N = 80) | Blunt (N = 30) | Blunt + TBI (N = 15) | Penetrating (N = 50) | Normal range |
|---|---|---|---|---|---|
| Age, y | 34 ± 2 | 39 ± 13 | 37 ± 12 | 31 ± 13 | NA |
| ISS | 29 ± 1 | 38 ± 15 | 41 ± 11 | 24 ± 8 | NA |
| SBP, mm Hg | 77 ± 6 | 81 ± 58 | 94 ± 59 | 69 ± 52 | 90–120 |
| BD, mmol/L | 15 ± 1 | 14 ± 7 | 13 ± 7 | 15 ± 7 | 0–6 |
| Lactate, mmol/L | 8.4 ± 0.7 | 8.2 ± 4.9 | 6.8 ± 3.9 | 8.5 ± 6.0 | 0–3 |
| INR, s | 2.2 ± 0.1 | 2.14 ± 1.36 | 2.06 ± 1.18 | 2.16 ± 1.14 | 0.82–1.49 |
| PTT, s | 67 ± 7 | 72 ± 69 | 69 ± 69 | 64 ± 61 | 20–40 |
| G, dynes/cm2 | 4.9 ± 0.3 | 4.9 ± 2.7 | 5.0 ± 2.7 | 4.9 ± 2.7 | 5.1–11.0 |
*
Data are presented as mean ± standard error of the mean (SEM).
TBI, Traumatic brain injury; NA, not applicable; ISS, injury severity score; SBP, systolic blood pressure; BD, base deficit; INR, international normalized ratio; PTT, activated partial thromboplastin time; G, clot strength.