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. 2022 Jan 14;10(1):E9–E18. doi: 10.1055/a-1594-1693

Table 1. Characteristics of the detected and included lesions.

Detected lesions
(N = 341) 		Included polyps 1
(N = 269) 		Included diminutive polyps 1
(N = 220)
Location

  • Proximal to rectosigmoid

 237 (70 %) 188 (70 %) 148 (67 %)

  • Rectosigmoid

 104 (30 %)  81 (30 %)  72 (33 %)
Morphology

  • Pedunculated 2

159 (47 %) 127 (47 %) 112 (51 %)

  • Non-pedunculated 3

171 (50 %) 142 (53 %) 108 (49 %)

  • Missing

  11 (3 %)   0 (0 %)   0 (0 %)
Endoscopic characterisation

  • Colorectal cancer

   2 (0 %)   0 (0 %)   0 (0 %)

  • Adenoma

 172 (51 %) 146 (55 %) 119 (54 %)

  • Sessile serrated lesion

  31 (9 %)  28 (15 %)  12 (5 %)

  • Hyperplastic polyp

 118 (35 %)  95 (30 %)  89 (41 %)

  • Missing

  18 (5 %)   0 (0 %)   0 (0 %)
Confidence level

  • High confidence

 267 (82 %) 223 (83 %) 178 (81 %)

  • Low confidence

  69 (17 %)  46 (17 %)  42 (19 %)

  • Missing

   5 (1 %)   0 (0 %)   0 (0 %)
Histopathology

  • Colorectal cancer

   5 (1 %) – –

  • Adenoma

 176 (52 %) 165 (61 %) 137 (62 %)

  • High-grade dysplasia

   5   5   4

  • Villous features

   0   0   0

  • Sessile serrated lesion

  28 (8 %)  27 (10 %)  14 (6 %)

  • Dysplasia

   0   0   0

  • Traditional serrated adenoma

   4 (1 %)   0   0

  • Hyperplastic polyp

  79 (23 %)  77 (29 %)  69 (31 %)

  • Normal mucosa

  27 (8 %)   0   0

  • Other non-neoplastic

   6 (2 %)   0   0

  • Not retrieved/not resected

  16 (5 %)   0   0
1

Histologically confirmed adenomas, SSL and hyperplastic polyps with as well an optical diagnosis were included; Data are n or n (%)

2

Polypoid was defined as Paris classification Ip, Isp and Is.

3

Non-polypoid was defined as Paris classification IIa and IIb.