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Methodology

Potential misinterpretations caused by collapsing upper categories of comorbidity indices: An illustration from a cohort of older breast cancer survivors

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Pages 93-100 | Published online: 23 Jun 2009

References

  • YancikRErshlerWSatarianoWHazzardWCohenHJFerrucciLReport of the national institute on aging task force on comorbidityJ Gerontol A Biol Sci Med Sci200762327528017389724
  • CharlsonMEPompeiPAlesKLMacKenzieCRA new method of classifying prognostic comorbidity in longitudinal studies: development and validationJ Chronic Dis19874053733833558716
  • SchneeweissSMaclureMUse of comorbidity scores for control of confounding in studies using administrative databasesInt J Epidemiol200029589189811034974
  • BoydCMWeissCOHalterJHanKCErshlerWBFriedLPFramework for evaluating disease severity measures in older adults with comorbidityJ Gerontol A Biol Sci Med Sci200762328629517389726
  • KlabundeCNPotoskyALLeglerJMWarrenJLDevelopment of a comorbidity index using physician claims dataJ Clin Epidemiol200053121258126711146273
  • KlabundeCNLeglerJMWarrenJLBaldwinLMSchragDA refined comorbidity measurement algorithm for claims-based studies of breast, prostate, colorectal, and lung cancer patientsAnn Epidemiol200717858459017531502
  • LashTLCollapsing high-end categories of comorbidity may yield misleading resultsClin Epidemiol200911115
  • ElkinEBHurriaAMitraNSchragDPanageasKSAdjuvant chemotherapy and survival in older women with hormone receptor-negative breast cancer: assessing outcome in a population-based, observational cohortJ Clin Oncol200624182757276416782916
  • GiordanoSHDuanZKuoYFHortobagyiGNGoodwinJSUse and outcomes of adjuvant chemotherapy in older women with breast cancerJ Clin Oncol200624182750275616782915
  • NagelGWeddingURohrigBKatenkampDThe impact of comorbidity on the survival of postmenopausal women with breast cancerJ Cancer Res Clin Oncol20041301166467015300426
  • Ballard-BarbashRPotoskyALHarlanLCNayfieldSGKesslerLGFactors associated with surgical and radiation therapy for early stage breast cancer in older womenJ Natl Cancer Inst199688117167268637025
  • McPhersonCPSwensonKKLeeMWThe effects of mammographic detection and comorbidity on the survival of older women with breast cancerJ Am Geriatr Soc20025061061106812110066
  • EngerSMThwinSSBuistDSBreast cancer treatment of older women in integrated health care settingsJ Clin Oncol200624274377438316983106
  • GreenlandSDose-response and trend analysis in epidemiology: alternatives to categorical analysisEpidemiology1995643563657548341
  • WagnerEHGreeneSMHartGBuilding a research consortium of large health systems: the Cancer Research NetworkJ Natl Cancer Inst Monogr20053531116287880
  • FlemingIDAJCC/TNM cancer staging, present and futureJ Surg Oncol200177423323611473370
  • BoscoJLFSillimanRAThwinSSA most stubborn bias: No adjustment method fully resolves confounding by indication in observational studiesJ Clin Epidemiol2009518 [Epub ahead of print].
  • ThwinSSClough-GorrKMMcCartyMCAutomated inter-rater reliability assessment and electronic data collection in a multi-center breast cancer studyBMC Med Res Methodol200772317577410
  • ZouGA modified Poisson regression approach to prospective studies with binary dataAm J Epidemiol2004159770270615033648
  • RothmanKJGreenlandSLashTLIntroduction to stratified analysisModern Epidemiology3rd edPhiladelphia, PALippincott, Williams & Wilkins2008111125
  • GreenlandSRothmanKJLashTLConcepts of interactionModern Epidemiology3rd edPhiladelphia, PALippincott, Williams & Wilkins2008851
  • GreenlandSRothmanKJLashTLIntroduction to regression modelsModern Epidemiology3rd edPhiladelphia, PALippincott, Williams & Wilkins2008851
  • GreenlandSThe effect of misclassification in the presence of covariatesAm J Epidemiol198011245645697424903