Measuring multimorbidity beyond counting diseases: systematic review of community and population studies and guide to index choice

LE Stirland, L González-Saavedra, DS Mullin… - Bmj, 2020 - bmj.com
Objectives To identify and summarise existing indices for measuring multimorbidity beyond
disease counts, to establish which indices include mental health comorbidities or outcomes …

Comparative performance of comorbidity measures in predicting health outcomes in patients with chronic obstructive pulmonary disease

ZW Zhan, YA Chen, YH Dong - International Journal of Chronic …, 2020 - Taylor & Francis
Purpose Multiple studies have suggested that comorbidities pose negative impacts on the
survival of patients with chronic obstructive pulmonary disease (COPD); few have applied …