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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: Am J Gastroenterol. 2015 Sep 8;110(10):1412–1419. doi: 10.1038/ajg.2015.263

Table 2. Proportion of Biopsy Levels with Dysplasia in at Least One Fragment in the SURF and AIM Dysplasia Trials by Proximal-Distal Quarter Segment.

Combined Trials SURF Trial AIM Dysplasia Trial
Proportion (%) 95% CL Proportion (%) 95% CL Proportion (%) 95% CL
Proximal most fourth 46.6 39.1-54.0 35.1 26.2-44.0 64.3 53.3-75.3
Second most proximal fourth 47.0 38.1-56.0 38.9 27.3-50.6 60.3 47.2-73.5
Second most distal fourth 39.2 30.3-48.1 33.8 22.9-44.7 49.4 34.8-64.1
Distal most fourth 24.0 16.8-31.1 22.2 13.0-31.4 26.2 15.1-37.3

CL, confidence limits.