TABLE 1.

Patient demographics and characteristics

	RFA	Sham
No. patients	78	35
Age, y, mean	66.6 ± 8.5	64.7 ± 8.5
Sex, no. (%)
Female	11 (14)	3 (9)
Male	67 (86)	32 (91)
Race, no. (%)
White	73 (94)	35 (100)
Black	2 (3)	0 (0)
Latino	3 (4)	0 (0)
Body mass index, mean*	28.4 ± 4.9	31.1 ± 5.8
Length of Barrett's esophagus (cm), mean	5.0 ± 2.2	4.6 ± 2.4
High-grade dysplasia, no. (%)	38 (49)	16 (46)
Multifocal dysplasia, no. (%)	59 (76)	25 (71)
History of endoscopic mucosal resection, no. (%)	7 (9)	4 (11)

Mean values are reported as mean ± standard deviation.

RFA, Radiofrequency ablation.

^*P < .05 for the comparison of the radiofrequency-treated and sham groups based on 2-sample t test.