Table 2

Allele frequency of the PGC-RFLP

		PGC-RFLP allele
		1	2	3	4
Controls	n=177	0.141	0.398	0.192	0.268
Gastric ulcer
Body	n=40	0.113	0.350	0.088	0.450^3-150
Angulus	n=25	0.140	0.400	0.180	0.280
Antrum	n=10	0.150	0.350	0.200	0.300
Duodenal ulcer	n=70	0.100	0.364	0.207	0.329

↵3-150 Significantly different from controls, χ²=9.92, p<0.005.