Table 2: Number of CRC cases, the cost to find one CRC case, staging of CRC at diagnosis, and initial treatment for CRC in both strategies.

 Strategy 1 ( )Strategy 2 )

Number of cases of CRC112 (0.73%)6,838 (0.13%)
Cost to find a case of CRC2,124,000 JPY1,629,000 JPY
Staging of CRC at diagnosis
 081 (72.3%)1,713 (25.1%)
 I16 (14.3%)1,043 (15.3%)
 II7 (6.3%)552 (8.1%)
 III a3 (2.7%)418 (6.1%)
 III b1 (0.9%)187 (2.7%)
 IV1 (0.9%)116 (1.7%)
 Unknown3 (2.7%)2,809 (41.1%)

Initial treatment for CRC
 Endoscopic treatment93 (83.0%)2,267 (33.2%)
 Surgery16 (14.3%)2,466 (36.1%)
 No treatment019 (0.3%)
 Others067 (1.0%)
 Unknown3 (2.7%)2,019 (29.5%)