Table 2.
Positive predictive values of colonoscopies conducted in screening pilot and Nottingham trial
|
Men
|
Women
|
Both
|
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Variable | England | Scotland | Nottingham | England | Scotland | Nottingham | England | Scotland | Nottingham |
| Cancer* | 11.6 | 12.7 | 10.1 | 9.9 | 10.3 | 8.5 | 10.2 | 11.8 | 9.5 |
| Neoplasia† | 53.7 | 53.6 | − | 36.1 | 37.3 | − | 46.9 | 47.3 | − |
Nottingham values are for prevalence round and age corrected for 50-69 years but do not include all polyp cancers (age corrected values for total neoplasia not available).
*
Includes polyp cancers.
†
Includes all invasive cancers and adenomas.