Table 3 Performance of the Essen ICH score, physicians' prediction, ICH score,8 and modified ICH score7 for prediction of death and complete recovery (Barthel index ⩾95) in the validation dataset (n = 371).
Essen ICH score | Physicians' prediction (n = 344) | ICH score | Modified ICH score | |||||
---|---|---|---|---|---|---|---|---|
Death | Complete recovery | Death | Complete recovery | Death | Complete recovery* | Death | Complete recovery* | |
Sensitivity (%) | 43.9 | 73.8 | 41.2 | 37.8 | 58.5 | 64.2 | ||
Specificity (%) | 97.7 | 84.2 | 98.8 | 95.3 | 93.1 | 85.8 | ||
PPV (%) | 88.7 | 69.8 | 93.3 | 79.2 | 77.5 | 64.8 | ||
NPV (%) | 81.0 | 86.7 | 80.1 | 76.5 | 84.7 | 85.5 | ||
Area under ROC curve | 0.831 | 0.877 | 0.812 | 0.831 | 0.831 | 0.776 | 0.835 | 0.813 |
(95% CI) | (0.784 to 0.878) | (0.842 to 0.912) | (0.762 to 0.861) | (0.786 to 0.876) | (0.783 to 0.878) | (0.729 to 0.824) | (0.787 to 0.882) | (0.769 to 0.858) |
*Models designed to predict a modified Rankin scale of ⩽2 but in this table used to predict a Barthel index of ⩾95.
CI, confidence interval; NPV, negative predictive value; PPV, positive predictive value; ROC, receiver operating characteristic.