Predicting chronic kidney disease progression with artificial intelligence

BMC Nephrology

Table 6 External validation performance and test of the reduced time- to-event models for the outcomes of interest

Model	Stage Progression	eGFR Progression (significant reduction)	RRT
P-COX
Test	0.5648	0.6917	0.8603
Validation cohort	0.4938	0.5980	0.8284
Random survival forest
Test	0.6713	0.6807	0.8603
Validation cohort	0.6664	0.6092	0.9307
Gradient boosted model
Test	0.6874	0.6847	0.8887
Validation cohort	0.6926	0.5981	0.9518

Test: C- Statistic concordance Index, eGFR: Glomerular Filtration Rate, P-cox: Penalization cox, RRT: Renal Replacement Therapy

ISSN: 1471-2369