Helicobacter pylori and gastric cancer in the Middle East: A new enigma?

Table 1 Prevalence of atrophy, gastric cancer and the distribution of vacA allelic types and cagA status among H. pylori strains isolated in the Middle East

Country	s1 (%)	s2 (%)	m1 (%)	m2 (%)	i1 (%)	i2 (%)	cagA (%)	Atrophy (%)	Male gastric cancer
Saudi Arabia	58.3[61]	41.7[61]	12.6[61]	87.4[61]	No data	No data	52.0[43]	3-19[77]	5.7/105
Kuwait	46.4[23]	53.6[23]	No data	No data	No data	No data	41.0[23]	28[75]	4.8/105
Jordan	45.3[22]	54.7[22]	48.9[22]	51.1[22]	No data	No data	26.4[22]	65[76]	6.6/105
Iran	69.2[39]	30.8[39]	30.8[39]	69.2[39]	36.5[39]	63.5[39]	76.0[39]	22-39[74]	26.1/105
Iraq	88.6[39]	11.4[39]	25.7[39]	74.3[39]	28.5[39]	71.5[39]	71.0[39]	3[69]	4.5/105
Turkey	94.8[40]	5.2[40]	22.2[40]	77.8[40]	No data	No data	78.0[40]	43-75[72,73]	12.2/105
Egypt	42.9[41]	57.1[41]	14.3[41]	85.7[41]	No data	No data	35.7[41]	54[24]	3.4/105