Pale areas and diagnoses of carcinoma per year of chromoendoscopic surveillance
| Chromoendoscopies | Pale areas detected | Carcinoma detected/pale areas (%) | Patients diagnosed with carcinoma/chromoendoscopies (%) | |
|---|---|---|---|---|
| Year 1 | 19 | 1 | 0/1 (0%) | 0/19 (0%) |
| Year 2 | 18 | 2 | 1/2 (50%) | 1/18 (6%) |
| Year 3 | 18 | 4 | 1/4 (25%) | 1/18 (6%) |
| Year 4 | 19 | 18 | 5/18 (28%) | 2/19 (11%) |
| Year 5 | 19 | 31 | 16/31 (52%) | 6/19 (32%) |
| Total | 93 | 56 | 23/56 (41%) | 10/93 (11%) |