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. 2020 Apr 16;20:111. doi: 10.1186/s12876-020-01257-4

Table 3.

Histology of all resected polyps in the two groups

HD-WLE—NBI group NBI—HD-WLE group
HD-WLE (n, %)
First withdrawal
NBI (n, %)
Second withdrawal
NBI (n, %)
First withdrawal
HD-WLE (n, %)
Second withdrawal
Total (n, %)
Hyperplastic 55 (64.7) 12 (52.2) 35 (36.1) 11 (47.8) 113 (49.6)
Sessile serrated lesion 5 (5.9) 2 (8.7) 19 (19.6) 2 (8.7) 28 (12.3)
Adenoma 17 (20.0) 7 (30.4) 26 (26.8) 7 (30.4) 57 (25)
Normal 8 (9.4) 2 (8.7) 17 (17.5) 2 (9.3) 29 (12.7)
Other (lipoma) 1 (4.4) 1 (0.4)
Total (n) 85 23 P = 0.23 97 23 228 P = 0.32

HD-WLE high-definition white light endoscopy, NBI narrow-band imaging