Table 2.

Results from a questionnaire survey to 13 institutions in Japan ^{( 18 )}

Variable	Average	Minimum–maximum
Proportion of early stage breast cancer for breast cancers found at outpatient (%)	37.2	28–60
5‐year survival rate for women with early stage breast cancer (%)	95.2	92–99
5‐year survival rate for women with advanced breast cancer (%)	73.8	60–82
Screening costs (yen)
CBE	2 276	2 000–2935
CBE and SMG	4 791	3 720–5366
Further examination costs (yen)
CBE	18 931	12 000–30 000
CBE and SMG	18 000	10 000–30 000
Diagnosis costs at outpatient (yen)	30 000
Treatment costs for early stage breast cancer (yen)	1 050 000	750 000–1 340 000
Treatment costs for advanced breast cancer (yen)
Not including terminal care costs	2 030 000	1 000 000–2 700 000
Including terminal care costs	6 910 000	4 000 000–12 000 000

CBE, clinical breast examination; SMG, screening mammography.