Study characteristics.

Abstract

<p>* These two studies were identified from one literature.</p><p>** These two studies were identified from one literature.</p><p>⁺ This study did not describe their diagnostic criteria in detail.</p><p>N.A.C., a previously described classification system developed on the base of characterization of colonic polyps using FICE; ICE-classification, i-Scan classification for endoscopic diagnosis which is a simple classification built upon Kudo classification and NICE classification; NICE, Narrow Band Imaging International Colorectal Endoscopic Classification; N, not mentioned.</p><p>Study characteristics.</p