[Cost-effectiveness analysis of two breast cancer screening modalities in Shanghai, China].

Objective: To evaluate the cost-effectiveness of two breast cancer screening modalities conducted in Minhang district of Shanghai, China.

Methods: An organized and an opportunistic breast screening programs were implemented among women aged 35-74 years in Minhang district of Shanghai between May 2008 and Oct 2010, and were compared with the results obtained without screening. Costs related to screening were obtained by access to finance data of the screening programs, and costs of first treatment were collected through patient survey and medical reimbursement system query.