| RCTs | Age | Male | Female | Screening | Follow‐Up |
| Nottingham | 45‐74 | 48% | 52% | Biennial | 11.7 yrs |
| Funen | 45‐75 | 49.6% | 50.4% | Biennial | 17 yrs |
| Goteborg | 60‐64 | NR | NR | Biennial | 15.75 yrs |
| Minnesota | 50‐80 | 48% | 52% | Ann+Bien | 18 yrs |
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