Table 1.

Counts of Decedents Identified by the EHR Phenotypes and from the Validation Cohort

	Stage 4 cancer	Stage 4–5 chronic kidney disease (CKD)
Total no. in first iteration	272	259
No. in first iteration with late-stage diagnosis	186 (68.4% of total in iteration)	89 (34.4% of total in iteration)
Total no. in second iteration (cancer NLP; CKD 1xGFR < 30)	271	192
No. in second iteration with late-stage diagnosis	186 (68.6% of total in iteration)	89 (46.4% of total in iteration)
Total no. in third iteration (2xGFR < 30 within 90 days)		171
No. in third iteration with late-stage diagnosis		86 (50.3% of total in iteration)
Total no. in validation cohort	122	21
No. in validation cohort with late-stage diagnosis	74 (60.7% of validation cohort)	14 (66.7% of validation cohort)

GFR glomerular filtration rate, laboratory value