Background Multimorbidity measures are useful for resource planning, patient selection and
prioritization, and factor adjustment in clinical practice, research, and benchmarking. We …

OBJECTIVES: The purpose of this study was to develop and validate a risk‐adjustment
index for 1‐year mortality specific to older people, based on administrative discharge …

Abstract Background: The Charlson and Elixhauser comorbidity measures are commonly
used methods to account for patient comorbidities in hospital-level comparisons of clinical …

Background: Physiology-based severity of illness scores are often used for risk adjustment
in observational studies of intensive care unit (ICU) outcome. However, the complexity and …

Claims-based measures of comorbid illness severity have generally relied on the diagnoses
listed for a single hospitalization. Unfortunately, such diagnostic information is often limited …

The present critical review was conducted to evaluate the clinimetric properties of the
Charlson Comorbidity Index (CCI), an assessment tool designed specifically to predict long …

Background Uncertainty regarding comorbid illness, and ability to tolerate aggressive
therapy has led to minimal enrollment of elderly cancer patients into clinical trials and often …

Background. Multimorbidity, defined as the coexistence of 2 or more chronic diseases, is a
common phenomenon especially in older people. Numerous efforts to establish a …

Comorbidity scores are extensively used in observational medical research studies to avoid
potential bias when the burden of disease could be confounding the association of interest …

Different types of medication prescribed during a 6-month period for the treatment and
management of chronic conditions were utilized in the refinement and validation of a chronic …