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J Natl Cancer Inst. 2011 Jun 8;103(11):853-62. doi: 10.1093/jnci/djr145. Epub 2011 May 18.

End-of-life care for lung cancer patients in the United States and Ontario.

Author information

  • 1Health Services and Economics Branch, Applied Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD 20892-7344, USA. joan_warren@nih.gov

Abstract

BACKGROUND:

Both the United States and Canada offer government-financed health insurance for the elderly, but few studies have compared care at the end of life for cancer patients between the two systems.

METHODS:

We identified care for non-small cell lung cancer (NSCLC) patients who died of cancer at age 65 years and older during 1999-2003. Patients were identified from US Surveillance, Epidemiology, and End Results (SEER)-Medicare data (N = 13,533) and the Ontario Cancer Registry (N = 8100). Health claims during the last 5 months of life identified chemotherapy and emergency room use, hospitalizations, and supportive care. We estimated rates per person-months (PM) for short-term survivors (died <6 months after diagnosis) and longer-term survivors (died ≥6 months after diagnosis), adjusting for demographic differences. To test whether monthly rates in Ontario were statistically significantly different from the United States, standardized differences were computed, and a 99% confidence interval (CI) was constructed to account for the multiple tests performed. All statistical tests were two-sided.

RESULTS:

Rates of chemotherapy use were statistically significantly higher for SEER-Medicare patients than Ontario patients in every month before death (short-term survivors at 5 months before death: SEER-Medicare, 33.2 patients per 100 PM vs Ontario, 9.5 per 100 PM, rate difference = 23.7 per 100 PM, 99% CI = 18.3 to 29.1 per 100 PM, P < .001; longer-term survivors at 5 months before death: SEER-Medicare, 24.4 patients per 100 PM vs Ontario, 14.5 per 100 PM, rate difference = 9.9 per 100 PM, 99% CI = 7.7 to 12.1 per 100 PM, P <. 001). During the last 30 days of life, fewer SEER-Medicare than Ontario patients were hospitalized (short-term survivors, 49.9 vs 78.6 patients per 100 PM, rate difference = 28.6 per 100 PM, 95% CI = 22.9 to 34.4 per 100 PM, P <. 001; longer-term survivors, 44.1 vs 67.1 patients per 100 PM, rate difference = 23.0 per 100 PM, 95% CI = 18.5 to 27.5 per 100 PM, P < .001).

CONCLUSIONS:

NSCLC patients in both Ontario and the United States used extensive end-of-life care. Limited availability of hospice care in Ontario and differing attitudes between the United States and Ontario regarding end-of-life care may explain the differences in practice patterns.

Comment in

PMID:
21593012
[PubMed - indexed for MEDLINE]
PMCID:
PMC3115676
Free PMC Article

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