Table 1

Correlation between cagA classification and presence of an EPIYA-C or EPIYA-D motif

cagA classificationNo. of strainsNo. of strains with indicated motif
EPIYA-CEPIYA-DEPIYA-CDEPIYA-DCΔEPIYA-C/D
Group 149463
Group 255541
Group 3211812
Group 433
F8011