Comparison 3. Cannabinoid plus other antiemetic agent versus other antiemetic monotherapy.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
3.1 Absence of nausea	1		Risk Ratio (IV, Random, 95% CI)	Subtotals only
3.2 Absence of vomiting	2	89	Risk Ratio (IV, Random, 95% CI)	1.47 [0.69, 3.13]
3.3 Absence of nausea and vomiting	1		Risk Ratio (IV, Random, 95% CI)	Subtotals only
3.4 Depression	1		Risk Ratio (IV, Random, 95% CI)	Subtotals only
3.5 Dizziness	1		Risk Ratio (IV, Random, 95% CI)	Subtotals only
3.6 Dysphoria	1		Risk Ratio (IV, Random, 95% CI)	Subtotals only
3.7 Paranoia	1		Risk Ratio (IV, Random, 95% CI)	Subtotals only
3.8 Sedation	1		Risk Ratio (IV, Random, 95% CI)	Subtotals only
3.9 Withdrawal for any reason	1		Risk Ratio (IV, Random, 95% CI)	Subtotals only
3.10 Withdrawal due to adverse event	2	105	Risk Ratio (IV, Random, 95% CI)	6.97 [0.88, 55.19]
3.11 Withdrawal due to lack of efficacy	1		Risk Ratio (IV, Random, 95% CI)	Subtotals only