Validation of the Kidney Failure Risk Equation in the Colombian Population

Table 3

Discrimination: 2-year predicted probability of kidney failure.

Cohort patients	C statistic (95% CI) original	C statistic (95% CI) external validation
Diabetes
Yes	0.90	0.88
No	0.92	0.92
Black
Yes	0.91	0.92
No	0.90	0.91
Age, years
≥65	0.90	0.93
<65	0.90	0.85

CI, confidence interval; Harrell C statistic.