Table 3 Diagnostic performance of random forest with LASSO for discriminating cytomegalovirus esophagitis from herpes simplex virus esophagitis.
Random forest with LASSO | Sen. (%) | Spec. (%) | PPV (%) | NPV (%) | Acc (%) | AUC |
|---|---|---|---|---|---|---|
HSB color model | ||||||
Without clinical factor* (per-ROI/per-image/per-patient) | 99.3 (0.8) | 98.8 (0.9) | 96.5 (2.7) | 99.8 (0.3) | 99.0 (0.7) | 0.999 (0.001) |
99.7 (0.9) | 99.7 (0.5) | 99.5 (0.7) | 99.8 (0.5) | 99.7 (0.5) | 1.0 (0.001) | |
100 (0.0) | 100 (0.0) | 100 (0.0) | 100 (0.0) | 100 (0.0) | 1.0 (0.0) | |
With clinical factor* (per-ROI/per-image/per-patient) | 99.2 (0.8) | 98.8 (0.7) | 96.2 (2.8) | 99.7 (0.3) | 98.9 (0.7) | 0.999 (0.001) |
99.8 (0.6) | 99.4 (0.8) | 99.1 (1.2) | 99.8 (0.4) | 99.6 (0.6) | 1.0 (0.001) | |
100 (0.0) | 100 (0.0) | 100 (0.0) | 100 (0.0) | 100 (0.0) | 1.0 (0.0) | |
RGB color model | ||||||
Without clinical factor* (per-ROI/per-image/per-patient) | 72.0 (13.0) | 67.1 (12.9) | 42.6 (9.8) | 88.4 (5.1) | 68.5 (7.8) | 0.745 (0.066) |
71.8 (14.1) | 68.5 (13.6) | 59.9 (8.7) | 81.0 (7.0) | 70.0 (6.0) | 0.737 (0.073) | |
78.0 (16.6) | 74.6 (18.0) | 72.6 (13.3) | 84.6 (9.8) | 76.1 (8.0) | 0.752 (0.093) | |
With clinical factor* (per-ROI/per-image/per-patient) | 65.2 (16.8) | 73.4 (12.4) | 45.3 (11.8) | 87.1 (6.1) | 71.2 (7.0) | 0.741 (0.082) |
68.9 (13.8) | 72.7 (16.3) | 63.9 (12.5) | 79.9 (6.4) | 71.2 (6.9) | 0.749 (0.076) | |
77.1 (16.1) | 75.0 (16.3) | 72.6 (13.7) | 83.9 (8.7) | 76.1 (7.1) | 0.769 (0.075) | |
