Annals of Oncology 14:1057-1063, 2003
© 2003 European Society for Medical Oncology
Original Paper |
Long-term medical costs of postmenopausal breast cancer therapy
1 University Hospital, Ghent; 2 HEDM, Health Economics and Disease Management, Meise; 3 Free University Brussels, Brussels, Belgium
Received 16 October 2002; revised 20 January 2003; accepted 11 March 2003
Background:
Since the incidence of breast cancer is growing, prevention programs can be expected to have a large economic impact on the health care system. From a health economic point of view, one is interested in the costs saved by disease prevention.
Patients and methods:
To predict 10-year cumulative incidence-based costs of postmenopausal breast cancer, a state transitional model was developed based on published clinical data. The model simulates disease progression and includes nine health states of 1 year: node-negative and node-positive early cancer; local relapse; metastasis, each with its follow-up states; and death. The cost per state was obtained from a chart review in 118 patients with different disease states. Costs were calculated from the health insurance perspective and discounted at 3%.
Results:
The cumulative 10 year cost per patient was equal to €31 774 [95% confidence interval (CI) €30 53633 012] of which 30% was hospital costs, 28% systemic treatment, surgery and radiotherapy and 14% testing. Costs were at their highest following diagnosis and before death.
Conclusions:
This incidence-based approach identified the cost of postmenopausal breast cancer over time and may serve as a valid baseline for assessment of new interventions in prevention or early treatment.
Key words: breast cancer, cost of illness, postmenopausal, retrospective chart review
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