Table 2.

Outcome result categorization

Outcome data categorization	Definition
Favors intervention	Review authors conducted a meta-analysis and/or narrative synthesis (i.e., count data) which shows a beneficial effect for cannabis.
Favors control	Review authors conducted a meta-analysis and/or narrative synthesis (i.e., count data) which shows a beneficial effect of control.
Unclear efficacy/insufficient data	Review authors do not provide enough information to make a clear conclusion, or state that data from included studies is insufficient.
No statistically significant difference between groups	Review authors conducted a meta-analysis and/or narrative synthesis (i.e., count data) which shows no significant difference between cannabis and control groups (precision with confidence interval [included null results] preferred over p value).
Reported study-by-study (SBS)	Authors narratively review the primary study data, without providing an overall count of positive, negative, or no difference effects. Included studies are reviewed individually, with or without author’s final recommendations and conclusions