Table II.
Demographic, physiologic, injury scoring, and clinical outcome variables by failure-to-rescue status among mortalities
| Variable | All mortalities N = 1,377 |
Non-FTR Mortalities N = 1,017 |
FTR Mortalities N = 360 |
P value |
|---|---|---|---|---|
| Median age, y (IQR) | 40 (24–68) | 35 (23–59) | 57.5 (31–77) | <.001 |
| Male, n (%) | 1,108 (80.5) | 834 (82.0) | 274 (76.1) | .015 |
| Race, n (%) | <.001 | |||
| African-American | 820 (59.5) | 670 (65.9) | 150 (41.7) | |
| Caucasian | 469 (34.1) | 296 (29.1) | 174 (48.3) | |
| Other | 87 (6.3) | 51 (5.0) | 36 (10.0) | |
| Pre-existing conditions, n (%) | <.001 | |||
| None | 808 (58.7) | 669 (65.8) | 139 (38.6) | |
| 1–2 | 360 (26.1) | 254 (25.0) | 106 (29.4) | |
| >3 | 209 (15.2) | 94 (9.2) | 115 (31.9) | |
| Blunt mechanism, n (%) | 724 (52.6) | 452 (44.4) | 272 (75.6) | <.001 |
| Mean admission temperature,°C (standard deviation) | 35.9 (1.2) | 35.9 (1.2) | 36.0 (1.1) | .04 |
| Median admission GCS (IQR) | ||||
| Motor | 1 (1–1) | 1 (1–1) | 2 (1–6) | <.001 |
| Verbal | 1 (1–1) | 1 (1–1) | 1 (1–5) | <.001 |
| Eye | 1 (1–1) | 1 (1–1) | 1 (1–4) | <.001 |
| Median revised trauma score (IQR) | 3.2 (0–7.8) | 2.9 (0–4.01) | 5.0 (3.5–7.8) | .001 |
| Median maximum AIS score (IQR) | 5 (3–5) | 4 (1–5) | 4 (4–5) | .001 |
| Median Injury Severity score (IQR) | 26 (11–35) | 26 (10–35) | 26 (17–38) | <.001 |
| Median predicted probability of survival by TRISS (IQR) | 0.3 (0.1–0.5) | 0.2 (0.4–0.5) | 0.6 (0.2–0.9) | <.001 |
| Underwent operation, n (%) | 285 (20.9) | 150 (14.7) | 135 (37.5) | <.001 |
| Median ICU duration of stay, d (IQR) | 0 (0–1) | 0 (0–1) | 4 (1–10.5) | <.001 |
| Preventability adjudication, n (%) | <.001 | |||
| Not preventable | 1,239 (90.0) | 967 (95.1) | 272 (75.6) | |
| Potentially preventable | 109 (7.9) | 44 (4.3) | 65 (18.1) | |
| Preventable | 24 (1.5) | 2 (0.2) | 22 (6.1) | |
| Missing | 5 (0.3) | 4 (0.4) | 1 (0.3) | |
P values result from χ2 test for categorical variables, t test for parametric continuous variables, and the Mann-Whitney test for non-parametric continuous variables.
AIS, Abbreviated Injury Scale; GCS, Glasgow Coma Scale; ICU, intensive care unit; IQR, interquartile ratio; TRISS, Trauma and Injury Severity Score.