Table II.
Summary of AUCROC Values (95% CI) Obtained with the ROC Analysis in Different Scenarios
| Included data | Number of CT scans (number of events) | Variable | Model-based (predictions) | Observations (raw data) |
|---|---|---|---|---|
| All CT scans | 218 (33) | LDH | 0.856 (0.793–0.920) | NA |
| NSE | 0.857 (0.785–0.930) | NA | ||
| DISEASE | 0.867 (0.801–0.934) | NA | ||
| CT scans when LDH observations were available | 154 (22) | LDH | 0.822 (0.730–0.914) | 0.676 (0.548–0.804) |
| DISEASE | 0.829 (0.727–0.931) | NA | ||
| CT scans when NSE observations were available | 63 (8) | NSE | 0.891 (0.790–0.992) | 0.907 (0.760–1.000) |
| DISEASE | 0.904 (0.810–0.999) | NA |
CT computed tomography, NSE neuron specific enolase, LDH lactate dehydrogenase, NA not applicable