| Slattery (odds ratio) | ||||||
|---|---|---|---|---|---|---|
| Risk group | Office of National Statistics* and Scottish ISD† | Houlston (lifetime risk of dying from CRC)‡ | St John (odds ratio) | Fuchs (relative risk) | (m: male) | (f: female) |
| *Office of National Statistics. Series MB1 no 23 table 3. †http://www.show.scot.nhs.uk/publications/isd/cancer_registration/ . ‡Derived from data collected in 1970. §Affected relative aged <50 years. | ||||||
| General population | ∼5% | 1:50 | N/A | N/A | N/A | N/A |
| Any family history | N/A | 1:17 | 1.8 | 1.72 | 2.15 (m) | 2.43 (f) |
| One affected relative <45 years | N/A | 1:10 | 3.7 | N/A | 3.61 (m)§ | 7.18 (f) |
| Two affected relatives | N/A | 1:6 | 5.7 | 2.75 | 9.24 (m) | 5.00 (f) |