Table 1: Demographic data from patients whose tissue was used to investigate the relationship between expression of the antigen Ki-67 and stages within the metaplasia-adenocarcinoma sequence.

Group 1 (control)Group 2 (BE)Group 3 (cancer)Total value

Age (mean ± SD)
Gender (%)
 Men8 (47)9 (42.9)15 (78.9)32 (56.1)
 Women9 (52.9)12 (57.1)4 (21.1)25 (43.9)
Race
 Caucasian16 (94.1)18 (85.7)19 (100)53 (93)
 Black1 (5.9)3 (14.3)0 (0)4 (7)

*Patients with cancer were more likely to be men.
BE: Barrett’s esophagus.