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Presence of Serum IgG against H. pylori in Betel chewers and Non Betel chewers
| Betel Chewers | Non Betel Chewers | Total | |
| H.pylori positive | 20 (19.2%) | 4 (5.8%) | 24 |
| H.pylori negative | 84 (80.8%) | 65 (94.2%) | 149 |
| Total | 104 | 69 | 173 |
X2 = 15.0, (p < 0.05); Significant
