Table 2. Distribution of optical diagnostic criteria in lesions with a final pathological diagnosis of SSL.

	Overall (n = 79)		NICE type 1 (n = 44)		NICE type 2/3 (n = 29)		1–5 mm (n = 34)		6–9 mm (n = 29)		> 10 mm (n = 16)		Proximal (n = 45)		Distal (n = 651)
	n	(%)	n	(%)	n	(%)	n	(%)	n	(%)	n	(%)	n	(%)	n	(%)
Cloud-like appearance + irregular shape	3	(3.8)	2	(4.55)	1	(3.4)	0	–	1	(3.4)	2	(12.5)	3	(6.7)	0	–
Cloud-like appearance + indistinct borders	5	(6.3)	5	(11.4)	1	(0.10)	0	–	4	(13.8)	1	(6.2)	5	(11.1)	0	–
Cloud-like appearance + black dots	0	–	0	–	0	–	0	–	0	–	0	–	0	–	0	–
Irregular shape + indistinct borders	0		0	–	0	–	0	–	0	–	0	–	0	–	0	–
Indistinct borders + black dots	0	–	0	–	0	–	0	–	0	–	0	–	0	–	0	–
Irregular shape + black dots	0	–	0	–	0	–	0	–	0	–	0	–	0	–	0	–
Cloud-like appearance + irregular shape + indistinct borders	9	(11.4)	4	(9.1)	5	(17.2)	4	(11.8)	4	(13.8)	1	(6.2)	7	(15.6)	2	(5.9)
Cloud-like appearance + irregular shape + black dots	0	–	0	–	0	–	0		0	–	0	–	0	–	0	–
Irregular shape + indistinct borders + black dots	0	–	0	–	0	–	0		0	–	0	–	0	–	0	–
Cloud-like appearance + irregular shape + indistinct borders + black dots	9	(11.4)	8	(18.2)	1	(3.4)	1	(2.94)	1	(3.4)	7	(43.7)	9	(20.0)	0	–
Total	26	(32.9)	19	(43.2)	7	(24.1)	5	(14.7)	10	(34.5)	11	(68.7)	24	(53.3)	2	(5.9)

SSL, sessile serrated lesion; NICE, NBI International Colorectal Endoscopic Classification.