Table 1: Histopathological examination of gastritis in cases, control-1, and control-2 (chronic inflammation and intensity of neutrophilic infiltration); for this scoring standard upgraded Sydney criteria were used [28]. No—numbers, %—percent.

Grading
index
Chronic inflammation
Intensity of neutrophilic infiltration
For casesFor control-1
For control-2For casesFor control-1
For control-2
No.%No.%No.%No.%No.%No.%

Grade 01817.082100501002018.98210050100
Grade 1 (mild)3230.2NilZeroNilZero3028.2NilZeroNilZero
Grade 2 (moderate)3432.0NilZeroNilZero3634.0NilZeroNilZero
Grade 3 (severe)2220.8NilZeroNilZero2018.9NilZeroNilZero

Total10610082100501001061008210050100