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Treatment methods for cervical intraepithelial neoplasia in England: A cost-effectiveness analysis
Michela Tinelli1,2, Antonios Athanasiou3, Areti Angeliki Veroniki4,5
1Department of Health Policy, The London School of Economics and Political Science, London, UK.
Objective:
To compare the cost-effectiveness of different treatments for cervical intraepithelial neoplasia (CIN).
Design:
A cost-effectiveness analysis based on data available in the literature and expert opinion.
Setting:
England.
Population:
Women treated for CIN.
Methods:
We developed a decision-analytic model to simulate the clinical course of 1000 women who received local treatment for CIN and were followed up for 10 years after treatment. In the model we considered surgical complications as well as oncological and reproductive outcomes over the 10-year period. The costs calculated were those incurred by the National Health Service (NHS) of England.
Main Outcome Measures:
Cost per one CIN2+ recurrence averted (oncological outcome); cost per one preterm birth averted (reproductive outcome); overall cost per one adverse oncological or reproductive outcome averted.
Results:
For young women of reproductive age, large loop excision of the transformation zone (LLETZ) was the most cost-effective treatment overall at all willingness-to-pay thresholds. For postmenopausal women, LLETZ remained the most cost-effective treatment up to a threshold of £31,500, but laser conisation became the most cost-effective treatment above that threshold.
Conclusions:
LLETZ is the most cost-effective treatment for both younger and older women. However, for older women, more radical excision with laser conisation could also be considered if the NHS is willing to spend more than £31,500 to avert one CIN2+ recurrence.
