TABLE 4.
Matched Sample Table for Qualitative and Quantitative Methods
| Quantitative Methoda |
Qualitative Methodb |
|||
|---|---|---|---|---|
| Malignant | Benign | |||
| True-Positive | False-Negative | False-Positive | True-Negative | |
| Malignant | ||||
| True-positive | 68 | 5 | NA | NA |
| False-negative | 0 | 5 | NA | NA |
| Benign | ||||
| False-positive | NA | NA | 5 | 1 |
| True-negative | NA | NA | 3 | 13 |
Note—Values set in boldface are tied values (i.e., the two methods agree). The underlined values are the untied values (i.e., the two methods disagree) that we used for our comparative analysis. NA = not applicable values.
a
Using the data created with 0.03%/s slope as the cutoff.
b
Using this data set resulted in the best accuracy, which was shown as the highest area under the receiver operating characteristic curve.