Interendoscopist variability in proximal colon polyp detection is twice higher for serrated polyps than adenomas

Table 2 Comparison of polyp detection rates (%) between males and females amongst the 18 colonoscopists using the Wilcoxon test

		Males	Females	Total	P value
A.DR	n	18	18	18
	mean	46.3	24.5	35.7
	Median	44.9	23.7	34.1	< 0.0001
	Q1-Q3	40.7-50.0	20.0-27.7	31.7-38.8
	Min-Max	35.8-67.3	12.5-39.3	24.6-47.6
DA.DR	n	18	18	18
	mean	38.2	20	29.4
	Median	37.7	20.6	29.4	< 0.0001
	Q1-Q3	32.4-40.0	17.9-22.7	25.6-31.8
	Min-Max	27.9-54.8	11.0-29.2	19.0-39.0
PA.DR	n	18	18	18
	mean	17.8	7.1	12.4
	Median	15.3	6.6	11.5	< 0.0001
	Q1-Q3	11.0-22.4	3.6-10.8	7.3-17.8
	Min-Max	8.6-40.0	1.3-18.0	5.9-22.9
PSP.DR	n	18	18	18
	mean	8.3	5.3	6.9
	Median	7.0	4.3	5.4	0.06
	Q1-Q3	4.5-10.8	1.5-6.6	3.1-8.5
	Min-Max	2.2-25.6	0.0-16.9	1.3-19.2

A.DR: Adenoma detection rate; DA.DR: Distal adenoma detection rate; PA.DR: Proximal adenoma detection rate; PSP.DR: Proximal serrated polyp detection rate.