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Cost-effectiveness of the Conventional Papanicolaou Test With a New Adjunct to Cytological Screening for Squamous Cell Carcinoma of the Uterine Cervix and Its Precursors
Lynn A. Taylor, MPA;
Sonja V. Sorensen, MPH;
Nancy F. Ray, MS;
Michael T. Halpern, MD, PhD, MPH;
Diane M. Harper, MD, MPH
Arch Fam Med. 2000;9:713-721.
Objective To estimate costs and outcomes of conventional annual Papanicolaou (Pap) test screening compared with biennial Pap test plus speculoscopy (PPS) screening for cervical neoplasms.
Design A Markov model compared cost-effectiveness and outcomes of annual Pap tests with biennial PPS. The model includes direct costs of screening, diagnostic testing, and treatment for squamous intraepitheial lesions and invasive cancers; indirect costs (eg, lost productivity because of cervical cancer); and newer management practices, including human papillomavirus DNA testing.
Patients Women aged 18 to 64 years.
Intervention Screening for cervical neoplasms with either annual Pap smear test or biennial PPS.
Main Outcome Measure Marginal cost per life-year gained.
Results The probability of women having squamous intraepithelial lesions, cervical cancer, or death from cervical cancer was lower among women undergoing PPS biennially. A total of 12 additional days of life per woman was gained with biennial PPS during the 47-year model period. Total average cumulative direct medical costs per patient were $1419 for biennial PPS compared with $1489 for annual Pap tests. Total costs, including direct medical costs and indirect costs, were $2185 for PPS compared with $3179 for Pap tests alone. Increased savings and patient outcomes were observed in high-risk populations.
Conclusion Our simulations indicate that biennial screening with PPS is expected to provide cost savings for women older than 18 years compared with annual Pap test screening, especially for those in high-risk populations.
From MEDTAP International, Inc, Bethesda, Md (Mss Taylor, Sorensen, and Ray and Dr Halpern), and Dartmouth Medical School, Hanover, NH (Dr Harper). Ms Taylor is now with the Pharmaceutical Research and Manufacturers of America, Washington, DC. Ms Ray is now with the Medicare Payment Advisory Commission, Washington.
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