Table 2. Summary of adjudication strategy based on interval since last colonoscopy and the presence of a significant lesion in the same section of the colon on prior colonoscopy.

	Time interval since last colonoscopy
Significant lesion found in same segment on prior colonoscopy	≤1 year*	>1 year to <3 years†	≥3 years‡
Yes	Incomplete adenoma resection Or Failed biopsy detection	Incomplete adenoma Resection	Incomplete adenoma Resection
No	Missed lesion	Missed lesion	New cancer

^*Cases required hand review to distinguish.

^†Significant lesion defined as adenoma with advanced histology or ≥1 cm.

^‡Significant lesion defined as adenoma with advanced histology or ≥5 mm.