Table 2. Primary and Secondary Outcomes According to Prehospital Time.
| Total Prehospital Time, mina | Total, No. | Overall In-Hospital Death | Death Attributable to Head Injury | Death Attributable to Bleeding | |||
|---|---|---|---|---|---|---|---|
| Patients, No. | % (95% CI) | Patients, No. | % (95% CI) | Patients, No. | % (95% CI) | ||
| 0-29 | 514 | 27 | 5.3 (3.6-7.6) | 13 | 2.5 (1.5-4.3) | 8 | 1.6 (0.8-3.1) |
| 30-59 | 3535 | 244 | 6.9 (6.1-7.8) | 129 | 3.7 (3.1-4.3) | 53 | 1.5 (1.1-2.0) |
| 60-89 | 3459 | 344 | 9.9 (9.0-11.0) | 179 | 5.2 (4.5-6.0) | 63 | 1.8 (1.4-2.3) |
| 90-119 | 1624 | 208 | 12.8 (11.3-14.5) | 109 | 6.7 (5.6-8.0) | 36 | 2.2 (1.6-3.1) |
| 120-179 | 870 | 121 | 13.9 (11.8-16.4) | 55 | 6.3 (4.9-8.1) | 19 | 2.2 (1.4-3.4) |
| ≥180 | 124 | 24 | 19.4 (13.3-27.3) | 16 | 12.9 (8.0-20.0) | 3 | 2.4 (0.8-7.2) |
| Total | 10 126 | 968 | 9.6 (9.0-10.1) | 501 | 5.0 (4.5-5.4) | 182 | 1.8 (1.5-2.1) |
| P value for homogeneity test | NA | NA | <.001 | NA | <.001 | NA | .467 |
Abbreviation: NA, not available.
a
Total prehospital time, arrival of the physician-led prehospital care team on scene to arrival at the hospital.