. Author manuscript; available in PMC: 2020 Aug 1.

Published in final edited form as: Transplantation. 2019 Aug;103(8):1714–1721. doi: 10.1097/TP.0000000000002498

Table 5.

Comparing original and updated KDRI formulas with respect to discrimination and predictive accuracy, using cohort 2000–2016

Measure	Original KDRI	Updated KDRI	Relative change
C statistic^a (Higher is better)	0.651	0.652	+0.15%
Martingale residuals^b (Lower is better)	43,060.97	43,020.41	−0.09%

^a.

Computed using 10-fold cross-validation

^b.

Sum of half-decile specific Martingale residual (absolute values)