From: Polychotomization of continuous variables in regression models based on the overall C index
 | true C | ||
---|---|---|---|
n | 0.650 | 0.750 | 0.850 |
10 | 0.671 ± 0.065 | 0.759 ± 0.057 | 0.854 ± 0.039 |
25 | 0.658 ± 0.042 | 0.754 ± 0.036 | 0.851 ± 0.024 |
50 | 0.654 ± 0.030 | 0.752 ± 0.025 | 0.851 ± 0.017 |
100 | 0.652 ± 0.022 | 0.751 ± 0.017 | 0.850 ± 0.012 |
200 | 0.651 ± 0.015 | 0.751 ± 0.012 | 0.850 ± 0.008 |
500 | 0.651 ± 0.010 | 0.750 ± 0.008 | 0.850 ± 0.005 |