Table 1.

Clinical characteristics of subjects studied

CancerBarrett'sNormal
Number403558
Median age (range)64 y (37-82 y)65 y (37-82 y)62 y (20-78 y)
Sex (M/F)36/430/535/23
Pathology and other informationGrade
27Nondysplasia11Esophagus27
320Stomach31
413Dysplasia24
Stage
I11Low grade10Adjacent to Barrett's28
II11High grade14From normal individuals30
III, IV18