Table 2.
Meta-analysis of studies for the association between fish consumption (highest vs. lowest category of consumption) and colorectal cancer risk, overall and stratified by tumor site and sex.
| N Studies | SRR | Lower 95% CI | Upper 95% CI | p-Value | I2 | |
|---|---|---|---|---|---|---|
| Colorectal cancer | 22 | 0.94 | 0.89 | 0.99 | 0.023 | 11.7% |
| women | 13 | 0.95 | 0.87 | 1.05 | 0.310 | 13.9% |
| men | 10 | 0.91 | 0.82 | 1.01 | 0.088 | 27.2% |
| Colon cancer | 15 | 0.94 | 0.88 | 1.01 | 0.089 | 12.9% |
| women | 7 | 1.02 | 0.88 | 1.19 | 0.763 | 12.5% |
| men | 4 | 1.02 | 0.85 | 1.22 | 0.866 | 0.0% |
| Rectal cancer | 13 | 0.94 | 0.87 | 1.03 | 0.173 | 0.0% |
| women | 5 | 0.99 | 0.79 | 1.26 | 0.966 | 0.0% |
| men | 3 | 0.90 | 0.57 | 1.43 | 0.663 | 63.2% |
SRR: summary relative risk. CI: confidence intervals.