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Co-occurrence and comorbidities in patients with immune-mediated inflammatory disorders: an exploration using US healthcare claims data, 2001-2002.
Curr Med Res Opin 2006; 22(5):989-1000CM

Abstract

OBJECTIVE

Research in immune-mediated inflammatory disorders (IMIDs) suggests that several diseases share disruptions in key cytokines. A common pathogenesis may present as similar patterns of disease co-occurrence and comorbidity, which could be observed through the analysis of healthcare claims datasets.

METHODS

Adult patients continuously enrolled from 2001-2002 were identified in two US healthcare datasets containing medical and drug claims from health plans and self-insured employers. Patients with treatment records indicating an IMID were selected (e.g., rheumatoid arthritis, psoriasis, Crohn's disease); controls for each disorder were matched 3:1 based on age, gender, region, and previous insurance coverage. IMID cohorts and comorbidities were identified using International Classification of Diseases, 9th revision codes. Prevalence relative risk was used to assess co-occurrence and comorbidity rates in IMID cohorts and controls. Medical and drug utilization patterns were also explored.

RESULTS

Findings were similar across the two datasets. IMID patients represented about 4% of the population; specific IMID prevalence matched the epidemiology literature. Patients with at least one IMID had a higher risk for another IMID when compared to controls. The risk for infectious, renal, liver, and ulcerative comorbidities was also elevated. Selected drug utilization patterns confirmed comorbidity findings. IMID patients used more healthcare resources compared to controls; findings were robust under sensitivity analyses.

CONCLUSIONS

IMID patients were generally more likely than controls to have another IMID, supporting the concept that the diseases are related. These patients also had higher comorbidity rates. Findings may be limited by the nature of claims datasets and the confounding effect of current treatments. Prospective studies are needed to determine whether IMIDs have a common pathogenesis.

Authors+Show Affiliations

MSPH, Centocor, Inc., Malvern, PA, USA. drobins4@cntus.jnj.comNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

16709321

Citation

Robinson, Don, et al. "Co-occurrence and Comorbidities in Patients With Immune-mediated Inflammatory Disorders: an Exploration Using US Healthcare Claims Data, 2001-2002." Current Medical Research and Opinion, vol. 22, no. 5, 2006, pp. 989-1000.
Robinson D, Hackett M, Wong J, et al. Co-occurrence and comorbidities in patients with immune-mediated inflammatory disorders: an exploration using US healthcare claims data, 2001-2002. Curr Med Res Opin. 2006;22(5):989-1000.
Robinson, D., Hackett, M., Wong, J., Kimball, A. B., Cohen, R., & Bala, M. (2006). Co-occurrence and comorbidities in patients with immune-mediated inflammatory disorders: an exploration using US healthcare claims data, 2001-2002. Current Medical Research and Opinion, 22(5), pp. 989-1000.
Robinson D, et al. Co-occurrence and Comorbidities in Patients With Immune-mediated Inflammatory Disorders: an Exploration Using US Healthcare Claims Data, 2001-2002. Curr Med Res Opin. 2006;22(5):989-1000. PubMed PMID: 16709321.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Co-occurrence and comorbidities in patients with immune-mediated inflammatory disorders: an exploration using US healthcare claims data, 2001-2002. AU - Robinson,Don,Jr AU - Hackett,Monica, AU - Wong,John, AU - Kimball,Alexa B, AU - Cohen,Russell, AU - Bala,Mohan, AU - ,, PY - 2006/5/20/pubmed PY - 2006/9/23/medline PY - 2006/5/20/entrez SP - 989 EP - 1000 JF - Current medical research and opinion JO - Curr Med Res Opin VL - 22 IS - 5 N2 - OBJECTIVE: Research in immune-mediated inflammatory disorders (IMIDs) suggests that several diseases share disruptions in key cytokines. A common pathogenesis may present as similar patterns of disease co-occurrence and comorbidity, which could be observed through the analysis of healthcare claims datasets. METHODS: Adult patients continuously enrolled from 2001-2002 were identified in two US healthcare datasets containing medical and drug claims from health plans and self-insured employers. Patients with treatment records indicating an IMID were selected (e.g., rheumatoid arthritis, psoriasis, Crohn's disease); controls for each disorder were matched 3:1 based on age, gender, region, and previous insurance coverage. IMID cohorts and comorbidities were identified using International Classification of Diseases, 9th revision codes. Prevalence relative risk was used to assess co-occurrence and comorbidity rates in IMID cohorts and controls. Medical and drug utilization patterns were also explored. RESULTS: Findings were similar across the two datasets. IMID patients represented about 4% of the population; specific IMID prevalence matched the epidemiology literature. Patients with at least one IMID had a higher risk for another IMID when compared to controls. The risk for infectious, renal, liver, and ulcerative comorbidities was also elevated. Selected drug utilization patterns confirmed comorbidity findings. IMID patients used more healthcare resources compared to controls; findings were robust under sensitivity analyses. CONCLUSIONS: IMID patients were generally more likely than controls to have another IMID, supporting the concept that the diseases are related. These patients also had higher comorbidity rates. Findings may be limited by the nature of claims datasets and the confounding effect of current treatments. Prospective studies are needed to determine whether IMIDs have a common pathogenesis. SN - 0300-7995 UR - https://www.unboundmedicine.com/medline/citation/16709321/Co_occurrence_and_comorbidities_in_patients_with_immune_mediated_inflammatory_disorders:_an_exploration_using_US_healthcare_claims_data_2001_2002_ L2 - http://www.tandfonline.com/doi/full/10.1185/030079906X104641 DB - PRIME DP - Unbound Medicine ER -