Table 5.
Multivariate model performance for overall and PZ-based analyses.
| Features | Sensitivity (% ± SD) |
Specificity (% ± SD) |
PPV (% ± SD) |
NPV (% ± SD) |
Accuracy (%) |
|---|---|---|---|---|---|
| Multivariate model for peripheral and transitional zone | |||||
| PSA density | 79 ± 10 | 80 ± 15 | 91 ± 6 | 63 ± 13 | 79 |
| T2-wavelet-HHH_glszm_GrayLevelVariance | |||||
| T2-wavelet-LLL_glszm_GrayLevelVariance | |||||
| ADC-wavelet-LLL_glrlm_LongRunHighGrayLevelEmphasis | |||||
| Multivariate model for peripheral zone lesions | |||||
| T2-wavelet-HHH_glszm_GrayLevelVariance T2-wavelet-LLL_glszm_GrayLevelVariance ADC-wavelet-LLL_gldm_HighGrayLevelEmphasis |
86 ± 12 | 80 ± 19 | 93 ± 6 | 70 ± 19 | 84 |
ADC: apparent diffusion coefficient; NPV: negative predictive value; PPV: positive predictive value; PSA: prostate-specific antigen; SD: standard deviation.