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. Author manuscript; available in PMC: 2019 Sep 1.
Published in final edited form as: Gut. 2018 Mar 1;68(3):475–486. doi: 10.1136/gutjnl-2017-315242

TABLE 2:

Total serrated polyps diagnosed at baseline, and during treatment and observational phases

Diagnosis1 Baseline2 Treatment phase Observational phase
Polyps Subjects3 Polyps Subjects3 Polyps Subjects3
n n n n n n
Sessile serrated adenoma/polyp 18 17 128 96 79 62
SSA/P with cytological dysplasia 12 11 4 4 3 3
Traditional serrated adenoma 1 1 8 8 8 6
Serrated polyp not subclassified 4 4 16 14 22 18
Hyperplastic polyp 839 521 955 494 498 271
Total 874 544 1111 565 607 329
1

Diagnosis at baseline is determined by the local pathologist at each clinical center. Post randomization polyps were all reviewed by the study pathologist.

2

Includes all randomized subjects and lesions found within 1 year of randomization

3

Participants with more than one type of serrated polyp may be represented multiple times. Total is the number of subjects with any serrated polyp, counting each subject only once if they had multiple types of serrated polyps