used a hierarchal study selection process to identify unique cohorts. We performed a meta-analysis of 47 studies including 10,890 unique patients. Pooled prevalence estimates of GI symptoms were as follows: diarrhea 7.7% (95% confidence interval [CI], 7.2%–8.2%), nausea/vomiting 7.8% (95% CI, 7.1%–8.5%), and abdominal pain 2.7% (95% CI, 2.0%–3.4%). Most studi