Comparison of the performance of two comorbidity measures, with and without information from prior hospitalizations
GJ Stukenborg, DP Wagner, AF Connors Jr - Medical care, 2001 - journals.lww.com
Objectives. This study compares the performance of two comorbidity risk adjustment
methods (the Deyo et al adaptation of the Charlson index and the Elixhauser et al method) …
methods (the Deyo et al adaptation of the Charlson index and the Elixhauser et al method) …
The performance of different lookback periods and sources of information for Charlson comorbidity adjustment in Medicare claims
Background. The Charlson Score is a particularly popular form of comorbidity adjustment in
claims data analysis. However, the effects of certain implementation decisions have not …
claims data analysis. However, the effects of certain implementation decisions have not …
Comparison of the Elixhauser and Charlson/Deyo methods of comorbidity measurement in administrative data
Background: Comorbidity risk adjustment methods have been used widely with
administrative data, and the Charlson/Deyo method is perhaps the most commonly used in …
administrative data, and the Charlson/Deyo method is perhaps the most commonly used in …
Accuracy of hospital morbidity data and the performance of comorbidity scores as predictors of mortality
G Mnatzaganian, P Ryan, PE Norman… - Journal of clinical …, 2012 - Elsevier
OBJECTIVES: The main objectives of this study were to validate the hospital morbidity data
(HMD) and to compare the performance of three comorbidity adjusting methods in predicting …
(HMD) and to compare the performance of three comorbidity adjusting methods in predicting …
Improved comorbidity adjustment for predicting mortality in Medicare populations
S Schneeweiss, PS Wang, J Avorn… - Health services …, 2003 - Wiley Online Library
Objective. To define and improve the performance of existing comorbidity scores in
predicting mortality in Medicare enrollees. Data Sources. Study participants were two …
predicting mortality in Medicare enrollees. Data Sources. Study participants were two …
Evaluation of two competing methods for calculating Charlson's comorbidity index when analyzing short-term mortality using administrative data
N Sanchez, M Draheim - Journal of clinical epidemiology, 1997 - Elsevier
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 …
comorbidity indices were compared when short-term mortality after hospitalization was the …
A multipurpose comorbidity scoring system performed better than the Charlson index
BACKGROUND AND OBJECTIVES: To develop a comorbidity scoring system that out-
performs the Charlson index. METHODS: Population-based cohorts of medical (n …
performs the Charlson index. METHODS: Population-based cohorts of medical (n …
Complications, comorbidities, and mortality: improving classification and prediction.
LL Roos, L Stranc, RC James, J Li - Health Services Research, 1997 - ncbi.nlm.nih.gov
OBJECTIVE: First, to compare the distribution of complications and comorbidities associated
with 17 common surgical procedures. We then describe the effect of augmenting an ICD-9 …
with 17 common surgical procedures. We then describe the effect of augmenting an ICD-9 …
Updating and validating the Charlson comorbidity index and score for risk adjustment in hospital discharge abstracts using data from 6 countries
H Quan, B Li, CM Couris, K Fushimi… - American journal of …, 2011 - academic.oup.com
With advances in the effectiveness of treatment and disease management, the contribution
of chronic comorbid diseases (comorbidities) found within the Charlson comorbidity index to …
of chronic comorbid diseases (comorbidities) found within the Charlson comorbidity index to …
Why summary comorbidity measures such as the Charlson comorbidity index and Elixhauser score work
SR Austin, YN Wong, RG Uzzo, JR Beck… - Medical care, 2015 - journals.lww.com
Background: Comorbidity adjustment is an important component of health services research
and clinical prognosis. When adjusting for comorbidities in statistical models, researchers …
and clinical prognosis. When adjusting for comorbidities in statistical models, researchers …