TABLE 3.
Performance metrics of the NMI model
| Column A | Column B | Column C | Column D | |||||
|---|---|---|---|---|---|---|---|---|
| Statistic | Mean | SD | Mean | SD | Mean | SD | Mean | SD |
| ROC‐AUC | 0.91 | 0.03 | 0.92 | 0.03 | 0.94 | 0.01 | 0.91 | 0.01 |
| Accuracy | 0.85 | 0.05 | 0.86 | 0.02 | 0.88 | 0.02 | 0.89 | 0.03 |
| Precision | 0.90 | 0.04 | 0.83 | 0.04 | 0.94 | 0.07 | 0.96 | 0.02 |
| F1‐score | 0.85 | 0.06 | 0.83 | 0.03 | 0.88 | 0.05 | 0.93 | 0.02 |
| Sensitivity | 0.81 | 0.08 | 0.84 | 0.04 | 0.84 | 0.11 | 0.91 | 0.05 |
| Specificity | 0.90 | 0.04 | 0.88 | 0.04 | 0.95 | 0.03 | 0.82 | 0.09 |
| NPV | 0.82 | 0.06 | 0.89 | 0.02 | 0.88 | 0.07 | 0.71 | 0.11 |
| PSI | 0.72 | 0.10 | 0.72 | 0.05 | 0.82 | 0.06 | 0.67 | 0.10 |
| LR+ | 10.98 | 5.92 | 7.90 | 3.52 | 10.20 | 5.42 | 6.40 | 2.50 |
| LR‐ | 0.22 | 0.09 | 0.18 | 0.04 | 0.19 | 0.04 | 0.11 | 0.05 |
Abbreviations: AUC, area under the curve; LR‐, negative likelihood ratio; LR+, positive likelihood ratio; NMI, Neuro Motor Index; NPV, Negative Predictive Value; PSI, Prognostic Summary Index; ROC, receiver operating characteristic.