Table 2 Threshold-dependent metrics of the GBM model in the test sample across deciles based on the predicted risk distribution in the development sample.
Risk Decile | Encounters within decile, % [95% CI] | Cumulative encounters, % [95% CI] | Cumulative Sensitivity, mean [95% CI] | Cumulative Specificity, mean [95% CI] | Cumulative PPV, mean [95% CI] | Cumulative NPV, mean [95% CI] |
|---|---|---|---|---|---|---|
1 | 8.7 [8.5, 8.8] | 8.7 [8.5, 8.8] | 31.2 [30.1, 32.3] | 93.1 [93.0, 93.3] | 26.7 [25.7, 27.7] | 94.4 [94.2, 94.6] |
2 | 9.0 [8.8, 9.2] | 17.6 [17.4, 17.9] | 45.3 [44.0, 46.5] | 84.6 [84.3, 84.8] | 19.1 [18.5, 19.7] | 95.1 [94.9, 95.2] |
3 | 9.6 [9.4, 9.8] | 27.2 [26.9, 27.5] | 55.8 [54.5, 57.1] | 75.1 [74.8, 75.4] | 15.2 [14.8, 15.7] | 95.5 [95.3, 95.7] |
4 | 9.1 [8.9, 9.3] | 36.4 [36.0, 36.7] | 64.3 [63.1, 65.6] | 65.9 [65.6, 66.2] | 13.1 [12.8, 13.5] | 95.8 [95.7, 96.0] |
5 | 10 [9.8, 10.2] | 46.3 [46.0, 46.7] | 72.6 [71.6, 73.8] | 55.8 [55.4, 56.1] | 11.6 [11.3, 11.9] | 96.2 [96.0, 96.4] |
6 | 9.7 [9.5, 9.9] | 56 [55.7, 56.4] | 79.7 [78.6, 80.7] | 45.9 [45.5, 46.2] | 10.6 [10.3, 10.8] | 96.6 [96.4, 96.8] |
7 | 10.3 [10.1, 10.5] | 66.3 [66.0, 66.6] | 86.1 [85.2, 86.9] | 35.2 [34.9, 35.6] | 9.6 [9.4, 9.9] | 96.9 [96.7, 97.1] |
8 | 10.4 [10.2, 10.7] | 76.8 [76.5, 77.0] | 91.7 [91.0, 92.4] | 24.4 [24.1, 24.7] | 8.9 [8.6, 9.1] | 97.4 [97.1, 97.6] |
9 | 10.9 [10.7, 11.1] | 87.6 [87.4, 87.9] | 96.5 [96.0, 96.9] | 13.1 [12.8, 13.3] | 8.2 [8.0, 8.4] | 97.9 [97.6, 98.1] |
10 | 12.3 [12.1, 12.6] | 100 [100, 100] | 100 [100, 100] | 0 [0, 0] | 7.4 [7.3, 7.6] | NA |
