The objective of this study was to determine how well the Charlson index of comorbidity
would predict mortality of critically ill patients; and how the predictive ability of the index …

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 …

The Charlson index is commonly used for risk adjustment in critical care health services
research. However, the literature supporting this methodology has not been thoroughly …

Purpose This study compared the Charlson comorbidity index (CCI) information derived
from chart review and administrative systems to assess the completeness and agreement …

Background. Valid comparison of patient survival across ICUs requires adjustment for
burden of chronic illness. The optimal measure of comorbidity in this setting remains …

Background Risk adjustment and mortality prediction in studies of critical care are usually
performed using acuity of illness scores, such as Acute Physiology and Chronic Health …

Objectives Our primary objective was to compare the utility of the Deyo-Charlson
Comorbidity Index (DCCI) and Elixhauser-van Walraven Comorbidity Index (EVCI) to predict …

Objectives To determine whether the Charlson Comorbidity Index (CCI) predicts short‐and
long‐term mortality. Design Prospective cohort study. Setting The medical department of two …

Purpose To evaluate the performance of Charlson Comorbidity Index (CCI) calculated using
hospitalization and medication reimbursement databases in predicting mortality. Patients …

The performance and predictive power of the Deyo-Charlson and the Romano-Charlson
comorbidity indices were compared when short-term mortality after hospitalization was the …