Table 2

Expression of the cagA gene and histology findings

Grade		MNC infiltration				PMN infiltration
		H pylori positive				H pylori negative		H pylori positive		H pylori negative
		cagA⁺	cagA⁻			H pylori negative		cagA⁺	cagA⁻	H pylori negative
Normal	0	0	33		18	5	43
Mild	4	3	7		31	4	1
Moderate	43	7	4		25	4	0
Severe	73	3	0		46	0	0

H pylori positive v negative p<0.0001 (MNC), p<0.0001 (PMN).
cagA⁺ v cagA⁻ p<0.01 (MNC), p<0.01 (PMN) (Mann-Whitney U test).