Cost of illness of breast cancer in Japan: trends and future projections.

Background: Breast cancer is a major cause of death for women in Japan. The objectives of this study were to estimate and project the economic burden associated with breast cancer in Japan and identify the key factors that drive the change of the economic burden of breast cancer.

Methods: We calculated the cost of illness (COI) every 3 years from 1996 to 2020 using governmental statistics.

Cost of illness of the cervical cancer of the uterus in Japan--a time trend and future projections.

Background: Cervical cancer is associated with high morbidity and mortality rates among young women in Japan. The objective of this study was to assess and project the economic burden associated with cervical cancer in Japan and identify factors affecting future changes in this burden on society.

Methods: Utilizing government-based statistical nationwide data, we used the cost of illness (COI) method to estimate the COIs for 1996, 1999, 2002, 2005, 2008, and 2011 to make predictions for 2014, 2017, and 2020.

Cost of illness of the stomach cancer in Japan - a time trend and future projections.

Background: Stomach cancer is one of the leading causes of cancer deaths in Japan. The objectives of this study were to estimate and project the economic burden associated with stomach cancer in Japan, and to identify the key factors that drive the economic burden of stomach cancer.

Methods: We calculated Cost of illness (COI) of 1996, 2002, 2008, 2014 and 2020 by using government office statistics and the COI method.