Table 3.

Comparing the Number of Surveillance Endoscopies that would be Performed in the United States Radiofrequency Ablation Registry and the United Kingdom National Halo Registry under Current and Proposed Surveillance Regimens.

Surveillance risk group:	Patients in surveillance	Endoscopies under current recommendations	Endoscopies under proposed recommendations	Actual reduction in stratum	Total reduction for population
United States Radiofrequency Ablation Registry
2: Low-grade dysplasia	658	3,948	1,316	67%	38%
3: High-grade dysplasia or intramucosal adenocarcinoma	767	6,903	5,369	22%
United Kingdom National Halo Registry
2: Low-grade dysplasia	83	498	166	67%	29%
3: High-grade dysplasia or intramucosal adenocarcinoma	290	2,610	2,030	22%