| Scenario | Modelled overall health care system cost, $ | Modelled life-years | Modelled QALYs | Marginal cost-effectiveness ratio, $/life-year gained | Marginal cost-utility ratio, $/QALY |
|---|---|---|---|---|---|
| No screening | 1 965 899 | 30 602 | 24 998 | - | - |
| Triennial age 50-69 yr | 3 368 225 | 30 648 | 25 036 | 30 536 | 36 981 |
| Triennial age 50-74 yr | 3 642 494 | 30 653 | 25 039 | 33 026 | 40 193 |
| Biennial age 50-69 yr | 3 835 726 | 30 662 | 25 048 | 30 879 | 37 265 |
| Biennial age 50-74 yr | 4 217 275 | 30 669 | 25 053 | 33 715 | 40 851 |
| Annual age 50-69 yr | 5 250 458 | 30 688 | 25 069 | 38 366 | 45 855 |
| Annual age 40-49 yr | 4 310 198 | 30 639 | 25 030 | 63 167 | 73 414 |
| Annual age 50-74 yr | 5 789 126 | 30 694 | 25 075 | 41 313 | 49 587 |
| Annual age 40-49 yr, biennial age 50-69 yr | 6 072 758 | 30 697 | 25 078 | 43 419 | 51 442 |
| Annual age 40-49 yr, biennial age 50-74 yr | 6 444 999 | 30 703 | 25 083 | 44 221 | 52 603 |
| Annual age 40-69 yr | 7 516 630 | 30 721 | 25 098 | 46 705 | 55 386 |
| Annual age 40-74 yr | 8 051 766 | 30 727 | 25 103 | 48 718 | 57 938 |
Note: QALY = quality-adjusted life-year.