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Summary of descriptive statistical analysis n (%)
| Group 1 | Group 2 | |
| Patients (n) | 50 534 | 11 300 |
| Cases | 6 (0.012) | 1 (0.009) |
| Esophageal tuberculosis | 1 | 0 |
| Gastric tuberculosis | 0 | 1 |
| Colonic tuberculosis | 5 | 0 |
| Total follow-up (person-mo) | 1 102 947 | 388 345 |
| Average follow-up (mo) | 21.8 | 34.4 |
| Incidence per 1000 person/yr | 0.65 | 0.03 |
