Table 1.
Baseline characteristics of patients with known health status at end of follow-up
| iTBCT (n = 456) | Standard work-up (n = 472) | P ¶ | |
|---|---|---|---|
| Age (years)* | 42 (27–59) | 44 (25–59) | 0.936# |
| Male sex | 348 (76.3) | 361 (76.5) | 0.952 |
| Blunt trauma | 445 (97.6) | 464 (98.3) | 0.656** |
| Mechanism of blunt trauma | n=445 | n=464 | 0.453 |
| Fall from height | 134 (30.1) | 149 (32.1) | |
| MVC, patient as occupant | 187 (42.0) | 176 (37.9) | |
| MVC, patient as cyclist | 46 (10.3) | 52 (11.2) | |
| MVC, patient as pedestrian | 23 (5.2) | 35 (7.5) | |
| Other | 55 (12.4) | 52 (11.2) | |
| AIS score ≥3 | |||
| Head | 224 (49.1) | 203 (43.0) | 0.062 |
| Chest | 198 (43.4) | 182 (38.6) | 0.132 |
| Abdomen | 44 (9.6) | 63 (13.3) | 0.078 |
| Extremities | 125 (27.4) | 139 (29.4) | 0.492 |
| ISS* | 22 (10–33) | 21 (9–30) | 0.276# |
| Multiple trauma† | 315 (69.1) | 300 (63.6) | 0.075# |
| TBI‡ | 165 (36.2) | 143 (30.3) | 0.057# |
| TRISS (survival probability)*§ | 0.92 (0.61–0.98) | 0.93 (0.68–0.98) | 0.403# |
Values in parentheses are percentages unless indicated otherwise; *values are median (i.q.r.). †Defined as an Injury Severity Score (ISS) of 16 or above. ‡Defined as a Glasgow Coma Scale score below 9 at presentation and an Abbreviated Injury Scale (AIS) score for the head of 3 or more. §There were 279 patients in the immediate total-body CT (iTBCT) group and 273 in the standard work-up group. MVC, motor vehicle collision; TBI, traumatic brain injury; TRISS, Trauma and Injury Severity Score. ¶χ2 test, except #Mann–Whitney U test and **Fisher’s exact test.