TABLE 3.
Admission Physiologic and Biochemical Data for Patients Undergoing NI for TBI
| Variable | All Patients | High INR | Low INR | p |
|---|---|---|---|---|
| Temperature, °C | 36.2 (0.96) | 35.9 (1.2) | 36.3 (0.9) | 0.273 |
| Hear rate, beats/min | 99 (29) | 116 (27) | 95 (29) | 0.027 |
| Systolic blood pressure, mm Hg | 143 (30) | 126 (30) | 146 (29) | 0.069 |
| Mean arterial pressure, mm Hg | 105 (25) | 94 (21) | 107 (26) | 0.166 |
| Sodium, mEq/L | 139 (5) | 140 (4) | 139 (5) | 0.523 |
| Glucose, mg/dL | 151 (46) | 164 (69) | 148 (41) | 0.717 |
| Creatinine, mg/dL | 0.94 (0.28) | 1.06 (0.44) | 0.92 (0.25) | 0.581 |
| pH | 7.32 (0.14) | 7.30 (0.07) | 7.32 (0.15) | 0.149 |
| Base deficit, mEq/L | −4.0 (5.3) | −6.1 (2.5) | −3.6 (5.5) | 0.063 |
| INR | 1.1 (1.1–1.3) | 1.7 (1.5–1.7) | 1.1 (1.05–1.2) | <0.001 |
| Partial thromboplastin time, s | 31.8 (22.0) | 55.5 (52.8) | 27.7 (4.6) | 0.004 |
| Platelets, 103/μL | 234 (74) | 196 (78) | 241 (72) | 0.070 |
| Fibrinogen, mg/dL | 262 (102) | 211 (149) | 271 (90) | 0.070 |
| Glasgow Coma Scale (GCS) score | 8 (4–14) | 9 (6–13) | 8 (4–14) | 0.976 |