Assessing Costs & Cost-variability Among Enrollees of Health Insurance Programs Utilizing Charlson’s Comorbidity Index and Administrative Databases

Overview

This study will involve the evaluation of the cost profile of about approximately 241,000 patients (15,000 who are members of the Generations Plus/ Northern Manhattan Health Network AND 226,000 members of a large self insured union trust fund). We will test the hypothesis that as comorbidity scores exceed three-four, patients will have an exponential increase in average yearly cost with a parallel exponential increase in cost variability. We will examine the relationship between comorbidity and health insurance costs and variability in costs among patients enrolled in health plans.

Full Title of Study: “Assessing Costs & Cost-variability Among Enrollees of Health Insurance Programs Utilizing Charlson’s Comorbidity Index and Administrative Databases”

Study Type

  • Study Type: Observational
  • Study Design
    • Time Perspective: Retrospective
  • Study Primary Completion Date: July 2010

Arms, Groups and Cohorts

  • Assessing costs & cost-variability
    • Data for the approximately 15,000 patients who were continuously enrolled during the calendar years 2006 and 2007 in the Generations Plus/ Northern Manhattan Health Network and 226,000 members of a large self insured union trust fund from 2007-2010 will be combined. The data will include age, gender, length of plan enrollment, whether or not the patient is disabled, their diagnoses, and their use of medical and social services.

Clinical Trial Outcome Measures

Primary Measures

  • Assessing costs & cost-variability among enrollees of health insurance programs utilizing Charlson’s comorbidity index and administrative databases
    • Time Frame: The data within this dataset was collected between July 2006 and July 2010.
    • Data for approximately 241,000 patients (15,000 who are members of the Generations Plus/ Northern Manhattan Health Network and 226,000 members of a large self insured union trust fund) during the calendar years 2006 and 2010 will be assembled and will include age, gender, length of plan enrollment, whether or not the patient is disabled, and their diagnoses. The data within this dataset was collected between July 2006 and July 2010.

Participating in This Clinical Trial

Inclusion Criteria

  • patients with different burdens of comorbidity who have at least two continuous years of enrollment in the Generations Plus/ Northern Manhattan Health Network between June 2007 to July 2009 and members of a large self insured union trust fund from 2007-2010

Gender Eligibility: All

Minimum Age: N/A

Maximum Age: N/A

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • Weill Medical College of Cornell University
  • Provider of Information About this Clinical Study
    • Principal Investigator: Mary E. Charlson, MD, Executive Director, Center for Integrative Medicine/Chief, Division of Clinical Epidemiology and Evaluative Sciences Research – Weill Medical College of Cornell University

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