High-grade tumor | Sensitivity | Specificity | PPV | NPV | Accuracy | P value |
---|---|---|---|---|---|---|
pre-op EB | 59.6 | 98.4 | 93.3 | 86.6 | 87.8 | 0.44 |
Frozen sections | 55.3 | 99.2 | 96.3 | 85.5 | 87.2 | |
P value | 0.56 | 0.56 | ||||
High-stage tumor | ||||||
MRI | 74.4 | 83.0 | 59.3 | 90.7 | 80.8 | <0.001 |
FS | 46.5 | 99.2 | 95.2 | 83.4 | 86.0 | |
P value | 0.003 | <0.001 | ||||
High-risk patient | ||||||
MRI + pre-op EB | 78.3 | 85.4 | 78.3 | 85.4 | 82.6 | <0.001 |
FS | 55.1 | 99 | 97.4 | 76.7 | 81.2 | |
P value | <0.001 | <0.001 | ||||
MRI + pre-op EB + FS | 81.2 | 85.4 | 78.9 | 87.1 | 83.7 | <0.16a |
P value | 0.16a | > 0.99a |