Randomised controlled trial comparing modified Sano’s and narrow band imaging international colorectal endoscopic classifications for colorectal lesions

Table 5 Results of in vivo prediction for post-polypectomy surveillance interval

	Modified Sano’s	NICE
Total patients	175	173
Accurate	167	139
Overcalled1	2	8
Undercalled2	1	4
Excluded	5	22

¹Surveillance colonoscopy interval prediction with classification was premature compared to the determined by final histology;

²Surveillance colonoscopy interval prediction with classification was delayed compared to the determined by final histology. NICE: Narrow band imaging international colorectal endoscopic.