Table 1 Results for the binary outcome setting. Brier (full model) 16.2 and Brier (null model) 17.4
From: The index of prediction accuracy: an intuitive measure useful for evaluating risk prediction models
Variable | Units | Odds ratio | 95% CI | p value | IPA (%) |
|---|---|---|---|---|---|
Full model | Â | Â | Â | Â | 7.28 |
Loss in IPA (%) compared to full model | |||||
Age | 5Â years | 0.87 | [0.46;1.66] | 0.68 | 0.28 |
PSA density | Twofold | 1.40 | [0.77;2.55] | 0.26 | 2.69 |
Percentage of positive biopsies | 5 points | 1.10 | [0.85;1.43] | 0.47 | 0.62 |
Maximum tumor involvement | Twofold | 1.59 | [1.01;2.50] | 0.05 | 3.11 |
cT stage | cT1 | Ref |  |  | − 0.08 |
cT2 | 1.12 | [0.28;4.43] | 0.87 | Â | |
Diagnostic GS | GNA | Ref |  |  | − 2.39 |
3 and 3 | 0.61 | [0.13;2.81] | 0.53 | Â | |
3 and 4 | 1.29 | [0.18;9.33] | 0.80 | Â | |
ERG status | Negative | Ref | Â | Â | 6.29 |
Positive | 3.17 | [1.22;8.26] | 0.02 | Â |