Table 2.
Threshold | True positive (COVID-19) | False positive (non-COVID-19) | True negative (COVID-19) | False negative (non-COVID-19) | Total number of tested images | Sensitivity (%) | Specificity (%) | Accuracy (%) |
---|---|---|---|---|---|---|---|---|
0.5 | 65 | 41 | 1115 | 85 | 1306 | 43.33 | 96.45 | 90.35 |
0.6 | 70 | 36 | 1124 | 76 | 47.94 | 96.89 | 91.42 | |
0.7 | 75 | 31 | 1135 | 65 | 53.57 | 97.34 | 92.64 | |
0.8 | 79 | 27 | 1148 | 52 | 60.30 | 97.70 | 93.95 | |
0.9 | 85 | 21 | 1160 | 40 | 68.00 | 98.22 | 95.32 | |
1 | 96 | 10 | 1180 | 20 | 82.75 | 99.15 | 97.70 |