Development of a comorbidity index using physician claims data.

摘要: Important comorbidities recorded on outpatient claims in administrative datasets may be missed analyses when only inpatient care is considered. Using the comorbid conditions identified by Charlson and colleagues, we developed a comorbidity index that incorporates diagnostic procedure data contained Medicare physician (Part B) claims. In national cohorts of elderly prostate (n = 28,868) breast cancer 14,943) patients assessed this study, less than 10% had hospital A) were examined. By incorporating claims, proportion with increased to 25%. The new significantly contributes models 2-year noncancer mortality treatment received both patient cohorts. We demonstrate utility disease-specific using an alternative method construction employing study-specific weights. can used conjunction derived from or employed as stand-alone measure.