Table 2.

Snare polypectomies conducted at first repeat colonoscopy^a in cohorts 1–3,^b stratified by type of index colonoscopy and by sex and age at repeat colonoscopy

^aExcluding those with repeat colonoscopies within the first 6 months as this is already represented in cohort definition.

^bCohort 1: persons with a code for snare polypectomy, cohort 2: persons assigned to the group “forceps polypectomy,” and cohort 3: persons without codes indicating polyps/polypectomy.

^cPercentages were calculated using the number of persons with a repeat colonoscopy in the respective subgroup as the denominator.