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. 2019 May 14;19:73. doi: 10.1186/s12876-019-0986-0

Table 4.

Simultaneous detection of vacA, cagA and dupA in H. pylori strains

S/N vacA genotypes (%) n = 212 cagA positive (%) n = 145 dupA positive (%) n = 125
1 s1 (n = 155) 122 (78.7) * 97 (62.6) *
2 s2 (n = 47) 19 (40.4) 21 (44.7)
3 m1 (n = 162) 123 (75.9) * 100 (61.7) *
4 m2 (n = 50) 22 (44.0) 25 (50.0)
5 s1/m1 (n = 132) 109 (82.6) * 84 (63.6) *
6 s1/m2 (n = 22) 13 (59.1) 12 (54.5)
7 s2/m1 (n = 24) 12 (50.0) 13 (54.2)
8 s2/m2 (n = 27) 10 (37.0) 12 (44.4)

*significance (P < 0.05)