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Table 2 Diagnostic performance of the different sequences and mp-MRI and their extent of agreement with pathological staging results

From: Diagnostic performance of 3-tesla multiparametric MRI for assessment of the bladder cancer T stage and histologic grade

  Sensitivity Specificity PPV NPV Accuracy
T2WI DWI DCE Mp-MRI T2WI DWI DCE Mp-MRI T2WI DWI DCE Mp-MRI T2WI DWI DCE Mp-MRI T2WI DWI DCE Mp-MRI
T1 42.9 85.7 57.1 85.7 100.0 97.9 97.9 100.0 100.0 85.7 80.0 100.0 92.2 97.9 93.9 97.9 92.6 96.3 92.6 98.1
T2 58.8 88.2 88.2 94.1 91.9 94.6 91.9 97.3 76.9 88.2 83.3 94.1 82.9 94.6 94.4 97.3 81.5 92.6 90.7 96.3
T3 86.2 82.8 89.7 96.6 68.0 96 96 96 75.8 96 96.3 96.6 81.0 82.8 88.9 96 77.8 88.9 92.6 96.3
T4 100.0 100.0 100.0 100.0 92.5 92.5 94.3 98.1 20.0 20.0 25.0 50.0 100.0 100.0 100.0 100.0 92.6 92.6 94.4 98.1
≤ T1 versus ≥ T2 100.0 97.9 97.9 100.0 42.9 85.7 57.1 85.7 92.2 97.9 93.9 97.9 100.0 85.7 80.0 85.7 92.6 96.3 92.6 94.4
≤ T2 versus ≥ T3 100.0 96.7 100 100 66.7 95.8 95.8 95.8 78.9 96.7 96.8 96.8 100.0 95..8 100 100 85.2 96.3 98.1 98.1