Table 3

Allele frequency of the PGC-RFLP with regard to H pylori infection

			PGC RFLP allele
			1	2	3	4
Controls	H pylori(+)	n=123	0.146	0.378	0.191	0.285
	H pylori (−)	n=54	0.130	0.444	0.194	0.232
Gastric ulcer
Body	H pylori (+)	n=34	0.118	0.338	0.088	0.456^*
	H pylori(−)	n=6	0.083	0.417	0.083	0.417
Angulus or antrum	H pylori(+)	n=31	0.145	0.387	0.177	0.290
	H pylori (−)	n=4	0.125	0.375	0.250	0.250

Significantly different from H pylori (+) controls, χ²=7.17, p<0.01.