Table 5.
Secondary Outcomes for Patients with AIS Head ≤2
| LR (n = 65) | NS (n = 418) | P valuea | |
|---|---|---|---|
| SBP (mm Hg)b | 118 ± 28 | 104 ± 28 | 0.271 |
| HRb | 112 ± 26 | 107 ± 2827 | 0.392 |
| INR | 1.6 ± 0.7 | 1.4 ± 1.3 | 0.976 |
| Base deficit | 7.7 ± 6.1 | 7.0 ± 5.4 | 0.401 |
| pH | 7.24 ± 0.17 | 7.25 ± 0.13 | 0.921 |
| Hemoglobin (g/dL) | 10.5 ± 2.8 | 11.6 ± 2.2 | 0.998 |
| Lactate (mEq/L) | 4.8 ± 3.0 | 7.1 ± 4.9 | 0.100 |
| 6-h fluid requirement (L) | 6.7 ± 4.1 | 4.1 ± 3.3 | 0.368 |
| 6-h RBC requirement (units) | 8.3 ± 8.7 | 7.3 ± 9.7 | 0.287 |
a
Linear regression model including pre-hospital fluid type, pre-hospital fluid volume, ISS, AIS head, AIS extremity, age, hospital site, and pre-hospital intubation status.
b
Initial value measured on arrival to the emergency department.
AIS, Abbreviated Injury Scale; HR, heart rate; INR, International Normalized Ratio; ISS, Injury Severity Score; LR, lactated Ringer's; NS, normal saline; RCB, red blood cells; SBP, systolic blood pressure.