Comparison 3. Hyaluronic acid versus botulinum toxin A.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Pain_AOS‐pain	1	75	Mean Difference (IV, Fixed, 95% CI)	0.10 [‐0.42, 0.62]
2 Physical Function_AOS‐disability	1	75	Mean Difference (IV, Fixed, 95% CI)	0.20 [‐0.34, 0.74]
3 Adverse events	1	75	Risk Ratio (M‐H, Fixed, 95% CI)	1.03 [0.15, 6.91]