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Cancer Manag Res. 2018 Jan 24;10:167-175. doi: 10.2147/CMAR.S151935. eCollection 2018.

Treatment and outcomes of non-small-cell lung cancer patients with high comorbidity.

Cancer management and research

Jorge Rios, Rahul Gosain, Bernardo Hl Goulart, Bin Huang, Margaret N Oechsli, Jaclyn K McDowell, Quan Chen, Thomas Tucker, Goetz H Kloecker

Affiliations

  1. James Graham Brown Cancer Center, University of Louisville, Louisville, KY.
  2. Fred Hutchinson Cancer Research Center, University of Washington, Seattle, WA.
  3. Department of Biostatistics, College of Public Health, University of Kentucky, Lexington, KY.
  4. Markey Cancer Center, University of Kentucky, Lexington, KY, USA.

PMID: 29416376 PMCID: PMC5789001 DOI: 10.2147/CMAR.S151935

Abstract

BACKGROUND: The life expectancy of untreated non-small-cell lung cancer (NSCLC) is dismal, while treatment for NSCLC improves survival. The presence of comorbidities is thought to play a significant role in the decision to treat or not treat a given patient. We aim to evaluate the association of comorbidities with the survival of patients treated for NSCLC.

METHODS: We performed a retrospective study of patients aged ≥66 years with invasive NSCLC between the years 2007 and 2011 in the Surveillance, Epidemiology, and End Results Kentucky Cancer Registry. Comorbidity was measured using the Klabunde Comorbidity Index (KCI), and univariate and multivariate logistic regression models were used to measure association between receiving treatment and comorbidity. Kaplan-Meier plots were constructed to estimate time-to-event outcomes.

RESULTS: A total of 4014 patients were identified; of this, 94.9% were white and 55.7% were male. The proportion of patients who did not receive any treatment was 8.7%, 3.9%, 19.1%, and 23.5% for stages I, II, III, and IV, respectively (

CONCLUSION: Our data suggest that lung cancer patients may derive a survival benefit from therapies, regardless of the presence of comorbidities, although the degree of benefit seems to decrease with higher KCI scores.

Keywords: Klabunde; cancer; comorbidity index; lung cancer; non-small-cell lung cancer

Conflict of interest statement

Disclosure The authors report no conflicts of interest in this work.

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