Table 3.
Vacuolating toxin activity of H. pylori isolates recovered from patients with chronic gastritis, peptic ulcer, or gastric cancer.
Symptoms | No | Vacuolating toxin activity | |||
---|---|---|---|---|---|
| |||||
Extremely Strong (>41) | Strong (41~21.8) | Moderate (21.8~2.6) | Weak (<2.6) | ||
Chronic gastritis | 38 | 5 (13%) | 8 (21%) | 20 (53%) | 5 (13%) |
Peptic ulcer | 39 | 4 (10%) | 7 (18%) | 19 (49%) | 9 (23%) |
Gastric cancer | 39 | 13 (33%)a | 6 (15%) | 17 (44%) | 3 (8%) |
Total | 116 | 22 (19%) | 21 (18%) | 56 (48%) | 17 (15%) |
Parentheses indicate percentage of each group classified by vacuolating cytotoxin activity.
ap = 0.026 compared with groups of chronic gastritis or peptic ulcer using Fisher’s exact test.