Total cost quintiles | Gender | ALC status | Any PSI | Mechanism of injury | Mean total cost | Mean age | Mean ISS | |||||||
Female | Male | No | Yes | No | Yes | No data | Road traffic injuries | Penetrating violent | Falls | Other | 95% CI of mean | 95% CI of mean | 95% CI of mean | |
1 (lowest) | 117 | 356 | 473 | 0 | 469 | 4 | 0 | 110 | 64 | 38 | 261 | $1533 | 44.44 | 11.72 |
24.74% | 75.26% | 100% | 0% | 99.15% | 0.85% | 0.00% | 23.26% | 13.53% | 8.03% | 55.18% | $1467 to $1598 | 42.67 to 46.20 | 10.71 to 12.73 | |
2 | 129 | 344 | 471 | 2 | 463 | 9 | 1 | 133 | 67 | 80 | 193 | $4797 | 50.05 | 15.46 |
27.27% | 72.73% | 99.58% | 0.42% | 97.89% | 1.90% | 0.21% | 28.12% | 14.16% | 16.91% | 40.80% | $4683 to $4910 | 48.23 to 51.86 | 14.57 to 16.34 | |
3 | 155 | 317 | 451 | 21 | 426 | 45 | 1 | 151 | 48 | 119 | 154 | $10 214 | 52.19 | 16.86 |
32.84% | 67.16% | 99.58% | 0.42% | 90.25% | 9.53% | 0.21% | 31.99% | 10.17% | 25.21% | 32.63% | $10 035 to $10 393 | 50.22 to 54.17 | 15.98 to 17.74 | |
4 | 173 | 300 | 397 | 76 | 378 | 95 | 0 | 210 | 52 | 105 | 106 | $20 997 | 52.82 | 19.41 |
36.58% | 63.42% | 83.93% | 16.07% | 79.92% | 20.08% | 0.00% | 44.40% | 10.99% | 22.20% | 22.41% | $20 546 to $21 448 | 50.83 to 54.82 | 18.52 to 20.31 | |
5 (highest) | 147 | 325 | 322 | 150 | 177 | 295 | 0 | 258 | 35 | 97 | 82 | $81 092 | 51.6 | 26.62 |
31.14% | 68.86% | 68.22% | 31.78% | 37.50% | 62.50% | 0.00% | 54.66% | 7.42% | 20.55% | 17.37% | $75 413 to $86 770 | 49.74 to 53.46 | 25.56 to 27.67 | |
Pearson χ2 | *** | *** | *** | *** | One-way ANOVA | *** | *** | *** |
*** P < 0.0001
ALC, alternate level of care; ANOVA, analysis of variance; ISS, Injury Severity Score; PSI, patient safety indicator.