Comparison of models selected by backwards elimination algorithm from all potential secondary insult categories
| Model | Deviance | Error rate (%) | Brier score | ROC curve area | p Value | |
|---|---|---|---|---|---|---|
| 24 h (n=90) | LP only | 61.38 | 15.6 | 0.1058 | 0.8623 | <0.001 |
| LP and ICP (A) | 52.10 | 11.1 | 0.0872 | 0.9047 | 0.002 | |
| LP and ICP (B) | 54.76 | 11.1 | 0.0908 | 0.8881 | 0.010 | |
| LP and ICP (C) | 51.47 | 11.1 | 0.0854 | 0.9097 | 0.002 | |
| LP and ICP (D) | 48.32 | 11.1 | 0.0793 | 0.9159 | <0.001 | |
| 48 h (n=105) | LP only | 72.55 | 14.3 | 0.1063 | 0.8369 | <0.001 |
| LP and ICP (A) | 69.61 | 15.2 | 0.1037 | 0.8540 | 0.086 | |
| LP and ICP (B) | 63.32 | 13.3 | 0.0923 | 0.8862 | 0.002 | |
| LP and ICP (C) | 65.87 | 15.2 | 0.0969 | 0.8782 | 0.010 | |
| LP and ICP (D) | 63.95 | 14.3 | 0.0929 | 0.8745 | 0.003 | |
| 72 h (n=104) | LP only | 68.10 | 13.5 | 0.0995 | 0.8340 | <0.001 |
| All type A summaries eliminated | ||||||
| LP and ICP(B) | 62.32 | 13.5 | 0.0925 | 0.8702 | 0.016 | |
| LP and ICP(C) | 62.72 | 13.5 | 0.0931 | 0.8702 | 0.020 | |
| LP and ICP(D) | 62.64 | 13.5 | 0.0920 | 0.8688 | 0.019 | |
Insult summaries: A=presence or absence of any insult; B=total time in minutes with grade 1 or higher insult; C=percentage of good monitoring time (GMT) with grade 1 or higher insult; D=weighted percentage of good monitoring time (GMT) with insult.