Key points are not available for this paper at this time.
When an outcome is measured using several scales (eg, quality of life or severity of anxiety or depression), it requires standardization to be pooled in a meta-analysis Common methods of standardization include using the standardized mean difference, converting continuous data to binary relative and absolute association measures, the minimally important difference, the ratio of means, and transforming standardized effects back to original scales
Murad et al. (Tue,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: