Journal Article
Study

Adverse events after screening and follow-up colonoscopy.

Rutter CM, Johnson E, Miglioretti DL, et al. Cancer Causes & Control. 2011;23.

This study of more than 45,000 colonoscopies found that 4.7 serious adverse events occurred per 1000 screening colonoscopies. Advanced age and the need for polyp removal were associated with increased risk of adverse events.