Adaptation and validation of a coding algorithm for the Charlson Comorbidity Index in administrative claims data using the SNOMED CT standardized vocabulary

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作者：
Stephen P. Fortin
Jenna Reps
Patrick Ryan
机构：
[1] Janssen Research & Development,
[2] LLC,undefined
[3] Observational Health Data Analytics,undefined
来源：
BMC Medical Informatics and Decision Making | / 22卷
关键词：
Charlson comorbidity index; SNOMED; Common data model; Quan; Standardized vocabulary; Validation; OHDSI;
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