Ontology highlight
ABSTRACT: Background
There are numerous definitions of multimorbidity (MM). None systematically examines specific comorbidity combinations accounting for multiple testing when exploring large datasets.Objectives
Develop and validate a list of all single, double, and triple comorbidity combinations, with each individual qualifying comorbidity set (QCS) more than doubling the odds of mortality versus its reference population. Patients with at least 1 QCS were defined as having MM.Research design
Cohort-based study with a matching validation study.Subjects
All fee-for-service Medicare patients between age 65 and 85 without dementia or metastatic solid tumors undergoing general surgery in 2009-2010, and an additional 2011-2013 dataset.Measures
30-day all-location
SUBMITTER: Silber JH
PROVIDER: S-EPMC6086592 | biostudies-literature | 2018 Aug
REPOSITORIES: biostudies-literature