Table 2.
Variables of NTS-TBI model, RTS, and ISS
| Total | Outcome |
||||||
|---|---|---|---|---|---|---|---|
| Survived | Died | P-value | GOS score 4–5 | GOS score 2–3 | P-value | ||
| Number | 3,642 (100) | 3,216 (88.3) | 426 (11.7) | 2,764 (75.9) | 452 (12.4) | ||
| Motor GCS score | 5 (4–6) | 6 (4–6) | 2 (1–4) | < 0.01 | 6 (4–6) | 3 (1–5) | < 0.01 |
| 1 | 577 (15.8) | 377 (65.3) | 200 (34.7) | 227 (39.3) | 150 (26) | ||
| 2 | 101 (2.8) | 63 (62.4) | 38 (37.6) | 35 (34.7) | 28 (27.7) | ||
| 3 | 190 (5.2) | 136 (71.6) | 54 (28.4) | 87 (45.8) | 49 (25.8) | ||
| 4 | 566 (15.5) | 494 (87.3) | 72 (12.7) | 398 (70.3) | 96 (17) | ||
| 5 | 417 (11.4) | 389 (93.3) | 28 (6.7) | 337 (80.8) | 52 (12.5) | ||
| 6 | 1,791 (49.2) | 1,757 (98.1) | 34 (1.9) | 1,680 (93.8) | 77 (4.3) | ||
| SBP (mmHg) | |||||||
| < 90 | 3,404 (93.5) | 3,045 (89.5) | 359 (10.5) | < 0.01 | 2,623 (77.1) | 422 (12.4) | < 0.01 |
| ≥ 90 | 238 (6.5) | 171 (71.8) | 67 (28.2) | 141 (59.2) | 30 (12.6) | ||
| Oxygen saturation | |||||||
| < 90% | 3,311 (90.9) | 3,004 (90.7) | 307 (9.3) | < 0.01 | 2,617 (79.0) | 387 (11.7) | < 0.01 |
| ≥ 90% | 331 (9.1) | 212 (64.0) | 119 (36.0) | 147 (44.4) | 64 (19.6) | ||
| Age group (yr) | |||||||
| 18–64 | 2,558 (70.2) | 2,331 (91.1) | 227 (8.9) | < 0.01 | 2,032 (79.4) | 299 (11.7) | < 0.01 |
| ≥ 65 | 1,084 (29.8) | 885 (81.6) | 199 (18.4) | 732 (67.5) | 153 (14.1) | ||
| RTS | 6.71 ± 1.46 | 6.92 ± 1.31 | 5.08 ± 1.53 | < 0.01 | 7.11 ± 1.16 | 5.75 ± 1.52 | < 0.01 |
| ISS | 11.85 ± 9.7 | 10.6 ± 9.0 | 21.6 ± 9.1 | < 0.01 | 9.2 ± 8.1 | 19.0 ± 9.9 | < 0.01 |
Values are presented as number (%), median (interquartile range), or mean±standard deviation.
NTS-TBI, new prehospital trauma score for traumatic brain injury; RTS, Revised Trauma Score; ISS, Injury Severity Score; GOS, Glasgow Outcome Scale; GCS, Glasgow Coma Scale; SBP, systolic blood pressure.