Table 2. Findings at screening and endoscopy key figures.
Flexible sigmoidoscopy (n=6,692) | Flexible sigmoidoscopy and FOBT (n=6,263) | P-value | |
---|---|---|---|
Any adenomaa | 1,156 (17.3) | 1,054 (16.9) | 0.5 |
Advanced adenomaa | 304 (4.6) | 278 (4.5) | 0.8 |
Colorectal cancer | 21 (0.3) | 20 (0.3) | 1.0 |
Referred for colonoscopy | 1,303 (19.5) | 1,336 (21.3) | 0.008 |
Attended colonoscopy examination | 1,249 (18.7) | 1,271 (20.3) | 0.02 |
Cecum intubationb | 1,130 (90.5) | 1,140 (89.7) | 0.3 |
Number of colonscopies | 1403 | 1413 | 0.2 |
Complications with flexible sigmoidoscopy | 0 | 0 | - |
Complications with colonoscopyc | 5 | 5 | 0.8 |
Recommended surveillance | 670 (10.1) | 598 (9.6) | 0.4 |
Not included individuals with screen-detected colorectal cancer. Advanced adenoma: Adenoma with size 10 mm or lagrer, with villous histology or with high-grade dysplasia.
Of thos who attended the colonoscopy examination.
Perforations (n=6) and admittance to hospital for post-polypectomy bleeding (n=4).
FOBT: Fecal occult blood test