Table 4.
ROC analysis
Reader | MP-MRI | MP-MRI + RSI | P* | RSI | PΦ |
---|---|---|---|---|---|
Sextant-based analysis | |||||
All PCa | |||||
1 | 0.63 (0.65) | 0.68 (0.70) | <0.001 | 0.61 (0.60) | 0.39 |
2 | 0.58 (0.60) | 0.64 (0.68) | <0.001 | 0.63 (0.64) | <0.001 |
3 | 0.61 (0.63) | 0.66 (0.68) | 0.001 | 0.58 (0.58) | 0.08 |
Combined | 0.61 (0.63) | 0.66 (0.69) | <0.001 | 0.61 (0.61) | 0.85 |
High-grade PCa | |||||
1 | 0.71 (0.69) | 0.80 (0.79) | 0.01 | 0.73 (0.69) | 0.62 |
2 | 0.66 (0.66) | 0.75 (0.77) | 0.01 | 0.74 (0.72) | 0.03 |
3 | 0.72 (0.72) | 0.79 (0.78) | 0.04 | 0.66 (0.62) | 0.08 |
Combined | 0.70 (0.69) | 0.78 (0.78) | <0.001 | 0.71 (0.68) | 0.62 |
Hemigland-based analysis | |||||
All PCa | |||||
1 | 0.70 (0.71) | 0.71 (0.72) | 0.47 | 0.65 (0.67) | 0.13 |
2 | 0.63 (0.65) | 0.69 (0.71) | <0.001 | 0.67 (0.69) | 0.10 |
3 | 0.64 (0.66) | 0.69 (0.69) | 0.09 | 0.62 (0.63) | 0.48 |
Combined | 0.66 (0.68) | 0.70 (0.71) | 0.001 | 0.65 (0.66) | 0.64 |
High-grade PCa | |||||
1 | 0.82 (0.81) | 0.85 (0.84) | 0.4 | 0.82 (0.80) | 0.97 |
2 | 0.75 (0.75) | 0.83 (0.85) | 0.1 | 0.82 (0.79) | 0.14 |
3 | 0.80 (0.79) | 0.85 (0.85) | 0.22 | 0.76 (0.77) | 0.45 |
Combined | 0.79 (0.78) | 0.85 (0.85) | 0.04 | 0.80 (0.79) | 0.77 |
Data presented are area under the ROC curves (AUC). Data in parentheses represent calculations based on prostatectomy cases alone
Represents comparison between MP-MRI and MP-MRI plus RSI AUC
Represents comparison between MP-MRI and RSI AUC