Interhospital variation in hospital resource use for patients with traumatic brain injury
| Variable | ICC (95% CI) |
|---|---|
| All resource use | 0.052 (0.043 to 0.061) |
| Activity centre | |
| General ward | 0.052 (0.038 to 0.067) |
| ICU | 0.089 (0.078 to 0.100) |
| Operating room | 0.204 (0.181 to 0.226) |
| Medical imaging | 0.081 (0.077 to 0.085) |
| Paraclinical services | 0.151 (0.133 to 0.169) |
| Patient age, yr | |
| < 65 | 0.080 (0.071 to 0.089) |
| ≥ 65 | 0.060 (0.050 to 0.070) |
| Type of traumatic brain injury | |
| Isolated | 0.058 (0.035 to 0.082) |
| Severe (MAIS score ≥ 4) | 0.103 (0.095 to 0.112) |
| Trauma centre level | |
| I and II | 0.040 (0.007 to 0.073) |
| III and IV | 0.039 (0.005 to 0.073) |
CI = confidence interval; ICC = intraclass correlation coefficient; ICU = intensive care unit, MAIS = Maximum Abbreviated Injury Scale.