Table 4: Use of the Restriction Fragment Length Products (RFLP) technique for genotyping the positive H. pylori PCR products using restriction enzymes (HhaI and MboI).

Restriction enzymeFrequency (%)DiseaseMedian age (years)

HhaI-11/58 ( 1.7)Gastritis + ulcers41
HhaI-25/58 (8.6)3 Gastritis; 2 ulcers 29
HhaI-312/58 (20.7)9 Gastritis; 3 ulcers;45
HhaI-414/58 (24.1)8 Gastritis; 3 ulcers; 1 esophagitis; 1 Inflamation39
HhaI-53/58 (5.2)1 Gastritis; 2 ulcers54
HhaI-66/58 (10.3)3 Gastritis; 2 ulcers; 1 Gastritis + ulcers39
HhaI-71/58 (1.7)1 ulcers19
HhaI-84/58 (6.9)1 Gastritis; 2 ulcers; 1 esophagitis48
HhaI-92/58 (3.4)1 Gastritis; 1 ulcers37
HhaI-102/58 (3.4)2 ulcers72
HhaI-118/58 (13.8)6 Gastritis; 1 inflamation; 1 ulcers 54
MboI-12/58 (3.4)2 Gastritis72
MboI-213/58 (22.4)7 Gastritis; 5 ulcers, 1 esophagitis39
MboI-38/58 (13.8)3 Gastritis; 3 ulcers; 1 inflamation49
MboI-415/58 (25.8)10 Gastritis; 5 ulcers57
MboI-54/58 (6.9)1 Gastritis; 1 ulcers; 1 esophagitis; 1 Gastritis ulcers27
MboI-62/58 (3.4)1 Gastritis; 1 ulcers37
MboI-74/58 (6.9)1 Gastritis, 1 splenomegaly; 2 ulcers50
MboI-81/58 (1.7)1 Gastritis45
MboI-95/58 (8.6)2 Gastritis; 2 ulcers; 1 Gastritis + ulcers47
MboI-102/58 (3.4)2 Gastritis28
MboI-111/58 (1.7)1 Gastritis31
MboI-121/58 (1.7)1 Gastritis38