Table 3.

Accuracies of diagnostic methods

Parameters	Computed tomographic colonography	Colonoscopy
For polyp ≥10 mm ø	0.926	0.920
For polyps < 10 mm ø but suspicious	0.959	0.837

Lesion ulceration, extramural invasion, and/ or lesion shouldering was considered as suspicious polyp

ø: Diameter