Research Article

Risk of Colorectal Cancer in Ulcerative Colitis Patients: A Systematic Review and Meta-Analysis

Table 5

Geographic variation risk of CRC in UC patients.

AreaArticle ()Proportion95% CIWeight (random)

Asia130.0130.009-0.01724.90%
North America110.0110.007-0.01422.20%
Europe330.0170.014-0.02052.20%
Oceania10.048▲0.029-0.0660.70%

vs. Europe; ▲▲ vs. Europe.