Table 9 Test results obtained when the threshold of the second layer LightGBM OvR model is set to 0.4 and 0.6.
From: Emerging infectious disease surveillance using a hierarchical diagnosis model and the Knox algorithm
Category of infectious diseases | The number of infectious diseases predicted by the first-level model(TP1K + FP1k) | Threshold is 0.4 | Threshold is 0.6 | ||||
---|---|---|---|---|---|---|---|
Sensitivity2k | FNR2k | FPR2k | Sensitivity2k | FNR2k | FPR2k | ||
Viral hepatitis | 16,207 | 87.44 | 12.56 | 58.79 | 94.57 | 5.43 | 63.52 |
Influenza | 3008 | 96.82 | 3.18 | 26.67 | 92.39 | 7.61 | 44.67 |
Tuberculosis | 4101 | 90.43 | 9.57 | 22.69 | 85.94 | 14.06 | 28.66 |
Hand-foot-and-mouth disease | 1385 | 69.25 | 30.75 | 15.79 | 77.24 | 22.76 | 39.47 |
Syphilis | 855 | 93.15 | 6.85 | 33.33 | 92.58 | 7.42 | 66.67 |
Infectious diarrhea | 525 | 71.86 | 28.14 | 23.44 | 70.38 | 29.62 | 46.88 |
Scarlatina fever | 410 | 70.36 | 29.64 | 51.61 | 70.16 | 29.84 | 74.19 |
COVID-19 | 80 | 92.00 | 8.00 | 20.00 | 91.25 | 8.75 | 80.00 |
Weighted average by test sample size | – | 87.64 | 12.36 | 45.60 | 91.16 | 8.84 | 54.74 |