Table 3.

Results for each imaging modality (narrow‐band imaging [NBI] and NBI‐near focus [NF])

	Image modality	Diminutive polyps				Results (%)
		Total	Adenomas	Hyperplastic	SSL	Sensitivity	Specificity	Accuracy
Test‐set I	Overall	111	69	31	11	89.9	90.5	90.1
	NBI‐NF	66	47	12	7	89.4	94.7	90.9
	NBI	58	34	20	4	85.3	87.5	86.2
Test‐set II	Overall	41	24	14	3	87.5	88.2	87.8
	NBI‐NF	31	19	11	1	89.5	83.3	87.1
	NBI	22	12	8	2	91.7	90.0	90.9

Results shown are for diminutive polyps for each imaging modality. ‘Overall’ result includes all polyps in each respective test‐set. The separate NBI and NBI‐NF results only include polyps with frames from each respective imaging modality.

SSL, sessile serrated lesion.