Adaptation of the Charlson Comorbidity Index for Register-Based Research in Sweden

Ludvigsson, JF; Appelros, P; Askling, J; Byberg, L; Carrero, JJ; Ekstrom, AM; Ekstrom, M; Smedby, KE; Hagstrom, H; James, S; Jarvholm, B; Michaelsson, K; Pedersen, NL; Sundelin, H; Sundquist, K; Sundstrom, J

Ludvigsson, JF (corresponding author), Karolinska Inst, Dept Med Epidemiol & Biostat, S-17177 Stockholm, Sweden.

CLINICAL EPIDEMIOLOGY, 2021; 13 (): 21

Abstract

Purpose: Comorbidity indices are often used to measure comorbidities in register-based research. We aimed to adapt the Charlson comorbidity index (CCI......

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