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Geographic variation risk of CRC in UC patients.
| Area | Article (n) | Proportion | 95% CI | Weight (random) |
|---|---|---|---|---|
| Asia | 13 | 0.013 | 0.009-0.017 | 24.90% |
| North America | 11 | 0.011 | 0.007-0.014 | 22.20% |
| Europe | 33 | 0.017 | 0.014-0.020 | 52.20% |
| Oceania | 1 | 0.048▲ | 0.029-0.066 | 0.70% |
▲P < 0.05 vs. Europe; ▲▲P < 0.01 vs. Europe.
