Table 7 Cut-off values and corresponding performance data for the simplified scoring system in the confirmed dataset
Cut-off | Sensitivity (95% CI) | Specificity (95% CI) | Precision (95% CI) | Accuracy (95% CI) |
|---|---|---|---|---|
6 | 1.00(1.00,1.00) | 0.220(0.115,0.326) | 0.246(0.138,0.354) | 0.378(0.372,0.385) |
6.5 | 1.00(1.00,1.00) | 0.305(0.188,0.423) | 0.268(0.152,0.384) | 0.446(0.439,0.452) |
7 | 1.00(1.00,1.00) | 0.390(0.265,0.514) | 0.294(0.169,0.419) | 0.514(0.507,0.520) |
7.5 | 1.00(1.00,1.00) | 0.475(0.347,0.602) | 0.326(0.191,0.462) | 0.581(0.575,0.588) |
8 | 1.00(1.00,1.00) | 0.508(0.381,0.636) | 0.341(0.201,0.481) | 0.608(0.602,0.614) |
8.5 | 1.00(1.00,1.00) | 0.627(0.504,0.751) | 0.405(0.247,0.564) | 0.703(0.697,0.708) |
9 | 0.933(0.807,1.00) | 0.729(0.615,0.842) | 0.467(0.288,0.645) | 0.770(0.766,0.775) |
9.5 | 0.933(0.807,1.00) | 0.831(0.735,0.926) | 0.583(0.386,0.781) | 0.851(0.848,0.855) |
10 | 0.867(0.695,1.00) | 0.898(0.821,0.975) | 0.684(0.475,0.893) | 0.892(0.889,0.894) |
10.5 | 0.867(0.695,1.00) | 0.966(0.920,1.00) | 0.867(0.695,1.00) | 0.946(0.945,0.947) |
11 | 0.800(0.598,1.00) | 0.983(0.950,1.00) | 0.923(0.778,1.00) | 0.946(0.945,0.947) |
11.5 | 0.733(0.510,0.957) | 0.983(0.950,1.00) | 0.917(0.760,1.00) | 0.932(0.931,0.934) |
12 | 0.667(0.428,0.905) | 1.00(1.00,1.00) | 1.00(1.00,1.00) | 0.932(0.931,0.934) |
12.5 | 0.600(0.352,0.848) | 1.00(1.00,1.00) | 1.00(1.00,1.00) | 0.919(0.917,0.921) |
13 | 0.533(0.281,0.786) | 1.00(1.00,1.00) | 1.00(1.00,1.00) | 0.905(0.903,0.908) |