Table 1: Results of biochemical tests characterizing H. pylori isolates from 14 districts.

District noCatalaseOxidaseUreaseNitrate reductionH2SGrowth with 3.5% NaClGrowth on 1% glycinGrowth at 42°CGrowth at 25°C

1+++
2++++
3++++
4+++
5++++
6++++
7+++
8+++
9+++
10+++
11++++
12+++
13+++
14+++