| Positive
group(I) |
negative group(J) |
valid N
(I/J) |
AUCa |
Cutoff
(≤Vb) |
Sensi-
tivity |
Speci-
ficity |
Positve
PV |
Negative
PV |
| malignancy |
benign |
58/37 |
0.818 |
0.828 |
82.8% |
70.3% |
81.4% |
72.2% |
| NPC |
NPI |
42/26 |
0.794 |
0.828 |
78.6% |
69.2% |
80.5% |
66.7% |
| 0.851 |
83.3% |
69.2% |
81.4% |
72.0% |
| NPL |
NPC |
16/42 |
0.795 |
0.681 |
81.3% |
71.4% |
52.0% |
90.9% |
Note: ROC = Receiver Operating Characteristic; PV = Predictive Value; V = Value
a. AUC = Area Under the ROC Curve, under the nonparametric assumption.
b. cutoff value defined as ≤ Value × 10-3 mm2/s. |
