CPPD | MSU | CPPD+MSU | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Observer 1 | Observer 2 | Observers 1+2 | Observer 1 | Observer 2 | Observers 1+2 | Observer 1 | Observer 2 | Observers 1+2 | |||
TP | 18 | 21 | 39 | 6 | 6 | 12 | 24 | 27 | 51 | ||
TN | 21 | 19 | 40 | 37 | 37 | 74 | 15 | 13 | 28 | ||
FP | 1 | 3 | 4 | — | — | — | 1 | 3 | 4 | ||
FN | 3 | — | 3 | — | — | — | 3 | — | 3 | ||
Sensitivity (%) | 85.7 | 100 | 92.9 | 100 | 100 | 100 | 88.9 | 100 | 94.4 | ||
Specificity (%) | 95.5 | 86.4 | 90.9 | 100 | 100 | 100 | 93.8 | 81.3 | 87.5 | ||
Accuracy (%) | 90.7 | 93.3 | 91.9 | 100 | 100 | 100 | 90.7 | 93.0 | 91.9 | ||
PPV (%) | 94.7 | 87.5 | 90.7 | 100 | 100 | 100 | 96.0 | 90.0 | 92.7 | ||
NPV (%) | 87.5 | 100 | 93.0 | 100 | 100 | 100 | 83.3 | 100 | 90.3 |
TP = true positive; TN = true negative; FP = false positive; FN = false negative; PPV = positive predictive value; NPV = negative predictive value.