Comparison 24. OnabotulinumtoxinA 60 units versus 40 units one cycle of treatment glabellar lines.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
24.1 Physician assessment of success by analysing scores and scales	1		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected
24.1.1 4 weeks	1		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected
24.1.2 8 weeks	1		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected
24.1.3 12 weeks	1		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected
24.1.4 16 weeks	1		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected
24.1.5 20 weeks	1		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected
24.2 Total adverse events	1		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected