Validating ICD code case definitions for condition case ascertainment in multimorbidity measurement: a retrospective chart review.
Kang AJ; Tseng CH; Wei MY · 2026 · The journals of gerontology. Series A, Biological sciences and medical sciences
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Background Accurate case ascertainment of chronic conditions is critical for research, clinical decision-making, and population health management, especially for older adults with high multimorbidity. However, validation of ICD-based case…
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Metadata source: Europe PMC · DOI 10.1093/gerona/glag157