Table 1. Clinical features of patients.

	H. pylori-positiven = 30	H. pylori-negativen = 30	P
Gender
Male	19	18	n. s.
Female	11	12
Median age	69.0	65.5	n. s.
Atrophic border1
C-1, C-2, C-3	5	9	n. s.
O-1, O-2	22	17
O-3	3	4

¹Kimura-Takemoto classification system.