Table 4 Cost analysis of breast cancer screening modalities (calculated by RMB)
Mammography | Ultrasound | Combined | |
|---|---|---|---|
Initial screening | |||
No. of screened participants | 4170 | 4214 | 4135 |
No. of screening positive | 4 | 10 | 14 |
No. of detected cancer | 3 | 7 | 9 |
No. of women need to be screened per cancer | 1390 | 602 | 459 |
Consultation and physical exam | 4 RMB × 4170 | 4 RMB × 4214 | 4 RMB × 4135 |
Screening imaging | 200 RMB × 4170 | 70 RMB × 4214 | 270 RMB × 4135 |
Biopsy and histopathology | 400 RMB × 4 | 400 RMB × 10 | 400 RMB × 14 |
Total cost/ No. of cancer found | 852 280/3 | 315 836/7 | 1 138 590/9 |
Cost per cancer | 284 093 | 45 119 | 126 510 |
One-year later screening | |||
No. of screened participants | 2815 | 3082 | 2795 |
No. of screening positive | 3 | 7 | 9 |
No. of detected cancer | 2 | 4 | 5 |
No. of screenings needed per cancer | 1408 | 771 | 559 |
Consultation and physical exam | 4 RMB × 2815 | 4 RMB × 3082 | 4 RMB × 2795 |
Screening imaging | 200 RMB × 2815 | 70 RMB × 3082 | 270 RMB × 2795 |
Biopsy and histopathology | 400 × 3 | 400 × 7 | 400 × 9 |
Total cost/ No. of cancer found | 575 460/2 | 230 868/4 | 769 430/5 |
Cost per cancer | 287 730 | 57 717 | 153 886 |
Summary of 2 rounds screening | |||
No. of screenings needed per cancer | 1397 | 663 | 495 |
Cost per cancer (RMB) | 285 548 | 49 700 | 136 287 |
Cost in US dollara | 45 253 | 7876 | 21 599 |
Cost in International Dollara | 81 585 | 14 200 | 38 939 |
