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Table 4.
Subgroup analyses for Gastrointestinal Neoplasms
| Cancer type | HR | 95% CI | I2 (%) | No. studies |
|---|---|---|---|---|
| Colorectal | 1.55 | 1.18 to 2.04 | 0 | 3 |
| Gastric | 1.36 | 0.49 to 3.74 | 85.5 | 2 |