Supplemental Table 2. Median and interquartile range of colonoscopy quality metrics by endoscopist characteristics, NHCR 2009 – 2014.

	Median	Interquartile Range
ADR	22.9	15.9 – 27.0
ADR-plus	1.5	1.4 – 1.7
SADR	27.6	20.2 – 33.6
SADR-plus	1.5	1.3 – 1.6
PDR	40.8	28.8 – 47.9

NHCR, New Hampshire Colonoscopy Registry; ADR, adenoma detection rate; ADR-plus, adenoma detection rate-plus; SADR, serrated and adenoma polyp detection rate; SADR-plus, serrated and adenoma polyp detection rate-plus; PDR, polyp detection rate