Table 4

Sensitivity and specificity of the selected four clinical features in combination

All patientsIndeterminate patients
SensitivitySpecificitySensitivitySpecificity
N/C, not calculated as this combination did not occur in this sample. Data shown as percentages.
One feature30.882.121.286.2
Two features10.894.612.197.5
Three features0.098.6N/CN/C
Four featuresN/CN/CN/CN/C