Table 1

Bacterial density in the gastric antrum in relation to cagA status of Helicobacter pylori

DensityStrain characteristics
cagA+cagA
Not significant.
Grade I23 (14%)29 (21.2%)
Grade II78 (50.6%)57 (40.8%)
Grade III42 (27.5%)38 (27%)
Grade IV11 (7.2%)15 (11%)