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Comparison of Methods for Measuring Radiotherapy Utilisation.

W J Mackillop1, W Kong2

  • 1Division of Cancer Care and Epidemiology, Queen's Cancer Research Institute, Kingston, Ontario, Canada; Department of Oncology, Queen's University, Kingston, Ontario, Canada.

Clinical Oncology (Royal College of Radiologists (Great Britain))
|April 17, 2019
PubMed
Summary
This summary is machine-generated.

Radiotherapy utilization rates can be accurately predicted using 1-year data, simplifying access monitoring. This allows for effective auditing against evidence-based cancer treatment targets.

Keywords:
Cancerhealth care accessibilityperformance indicatorradiotherapyutilisation rate

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Area of Science:

  • Oncology
  • Radiation Oncology
  • Health Services Research

Background:

  • Lifetime radiotherapy utilization rates are standard but impractical for routine monitoring.
  • Prolonged follow-up hinders timely assessment of radiotherapy access.
  • Shorter-term metrics are needed to evaluate current radiotherapy utilization.

Purpose of the Study:

  • To evaluate shorter-term methods for measuring radiotherapy utilization.
  • To determine the predictive accuracy of these methods for lifetime radiotherapy rates.

Main Methods:

  • Utilized the Ontario Cancer Registry (1984-2015) and linked radiotherapy treatment data.
  • Followed cancer patients for 20 years to assess radiotherapy use.
  • Compared short-term utilization rates (1-year) and workload ratios with long-term (20-year) rates.

Main Results:

  • 1-year radiotherapy utilization (RT 1y) strongly predicted 20-year utilization (RT 20y), with RT 20y ≈ 1.3 × RT 1y.
  • The ratio of new radiotherapy cases to cancer incidence approximated 20-year utilization.
  • Both methods showed strong correlation with long-term radiotherapy rates.

Conclusions:

  • Lifetime radiotherapy utilization can be accurately predicted by 1-year post-diagnosis rates.
  • The ratio of treated cases to cancer incidence is also a reliable predictor.
  • These shorter-term measures facilitate auditing of radiotherapy access against established targets.