Table 3. Propensity Score–Weighted ED and Total Hospital LOS for Children Who Received WBCT vs Selective CT.
| Sample | ED LOS, h | Total Hospital LOS, ha | ||||
|---|---|---|---|---|---|---|
| Median (IQR) | Difference (95% CI) | Median (IQR) | Difference (95% CI) | |||
| WBCT | Selective CT | WBCT | Selective CT | |||
| Unadjusted sample | 2.7 (1.7 to 4.0) | 3.2 (2.1 to 4.5) | −0.5 (−0.5 to −0.4) | 43.0 (13.2 to 100.1) | 22.0 (4.6 to 46.5) | 21.0 (19.9 to 22.1) |
| Adjusted samples | ||||||
| Overall | 2.7 (1.7 to 4.0) | 3.1 (2.0 to 4.4) | −0.4 (−0.4 to −0.3) | 41.3 (14.3 to 91.5) | 22.4 (4.6 to 48.2) | 18.9 (16.7 to 21.0) |
| Mechanism | ||||||
| MVC pedestrian | 2.6 (1.6 to 3.9) | 2.9 (1.9 to 4.3) | −0.3 (−0.5 to −0.2) | 49.4 (19.1 to 117.8) | 29.3 (16.6 to 73.6) | 20.1 (13.0 to 27.3) |
| MVC occupant | 3.0 (1.7 to 4.4) | 3.2 (2.0 to 4.7) | −0.2 (−0.4 to −0.1) | 49.4 (19.9 to 113.2) | 26.9 (6.6 to 69.6) | 22.5 (19.2 to 25.8) |
| GCS score <9b | 1.4 (0.9 to 2.3) | 1.3 (0.9 to 2.2) | 0.1 (−0.1 to 0.2) | 122.4 (20.6 to 328.3) | 92.0 (18.2 to 291.3) | 30.4 (5.0 to 55.9) |
| Hypotension | 1.9 (1.1 to 3.2) | 2.3 (1.3 to 3.9) | −0.5 (−0.8 to −0.1) | 78.6 (19.4 to 218.5) | 30.7 (5.4 to 139.7) | 47.9 (15.4 to 80.3) |
| Admitted to ICU | 1.9 (1.1 to 3.1) | 2.3 (1.2 to 3.6) | −0.4 (−0.6 to −0.3) | 94.2 (46.5 to 195.2) | 68.7 (35.5 to 139.2) | 25.5 (19.2 to 31.8) |
Abbreviations: CT, computed tomography; ED, emergency department; GCS, Glasgow Coma Scale; ICU, intensive care unit; IQR, interquartile range; LOS, length of stay; MVC, motor vehicle crash; WBCT, whole-body CT.
a
Total hospital LOS includes ED LOS.
b
Score lower than 9 generally indicates severe brain injury.