Table 4.
The pooled diagnostic performances for differentiating Gleason score ≧ 7 from 6
Freehand ROI | Large-circle ROI | Small-circles ROI | ||
---|---|---|---|---|
Reader 1 | AUC | 0.91 [0.84–0.98] | 0.91 [0.83–0.98] | 0.95 [0.89–1.00] |
Sensitivity | 0.78 [0.70–0.84] | 0.79 [0.71–0.85] | 0.82 [0.74–0.88] | |
Specificity | 1.00 [0.65–1.00] | 1.00 [0.65–1.00] | 1.00 [0.65–1.00] | |
Accuracy | 0.79 [0.71–0.85] | 0.80 [0.73–0.86] | 0.83 [0.76–0.89] | |
Reader 2 | AUC | 0.91 [0.83–0.98] | 0.91 [0.83–0.99] | 0.92 [0.85–0.99] |
Sensitivity | 0.76 [0.68–0.83] | 0.77 [0.69–0.83] | 0.78 [0.70–0.84] | |
Specificity | 1.00 [0.65–1.00] | 1.00 [0.65–1.00] | 1.00 [0.65–1.00] | |
Accuracy | 0.78 [0.70–0.84] | 0.78 [0.70–0.84] | 0.80 [0.73–0.86] | |
Reader 3 | AUC | 0.91 [0.83–0.99] | 0.94 [0.89–0.99] | 0.95 [0.91–0.99] |
Sensitivity | 0.87 [0.80–0.92] | 0.86 [0.78–0.91] | 0.86 [0.79–0.91] | |
Specificity | 1.00 [0.65–1.00] | 1.00 [0.65–1.00] | 1.00 [0.65–1.00] | |
Accuracy | 0.89 [0.83–0.93] | 0.88 [0.81–0.92] | 0.89 [0.82–0.93] |
Note. Data in the brackets indicate the 95% confidence interval.
AUC: area under the curve; ROI: region of interest.