Table 4 –
Results of final regression models for reclassification
Base model | Area under the curve (95% confidence interval) | ||
---|---|---|---|
4K + clinical model | PSA + clinical model | Difference | |
Full clinical model | |||
Initial biopsy | 0.783 (0.691–0.871) | 0.740 (0.652–0.828) | 0.043 (0.003–0.086) |
Subsequent biopsy | 0.754 (0.657–0.838) | 0.755 (0.653–0.841) | −0.001 (−0.037–0.041) |
Clinical model without prostate volume | |||
Initial biopsy | 0.748 (0.654–0.840) | 0.678 (0.579–0.774) | 0.069 (0.016–0.114) |
Subsequent biopsy | 0.738 (0.633–0.825) | 0.718 (0.611–0.810) | 0.02 (−0.023–0.07) |
PSA = prostate-specific antigen.
Confidence intervals were calculated with bootstrap accounting for correlations among individuals.