Table 3: Adverse Events.

First Author / Year	Participants with any Adverse Event	Participants with any Serious Adverse Event	Participants withdrawing due to Adverse Events
Tsui (1993) [10]	20/20 participants had weakness after BTX-A injection. 12/20 had pain at site of injection.	None reported	None reported
Cole (1995) [11]	7/10 participants had muscle weakness with BTX-A. 2/10 had weakness with placebo.	None reported	None reported
Kruisdijk (2007) [12]	18/20 participants had weakness in the hand with BTX-A. 2/19 participants reported hand weakness with placebo.	None reported	None reported