. 2022 Dec 4;14(12):e32180. doi: 10.7759/cureus.32180

Table 5. Comparison of EMG records of muscular activity for the left masseter between the two groups according to the assessment time.

*An independent-sample t-test was used to detect significant differences in EMG records of muscular activity for the left masseter (in µV) between the two groups.

BO, Botox group; PL, placebo; SD, standard deviation

Assessment time	Group	Mean	SD	P-value*
Before injection	BO	694.77	360.76	0.760
Before injection	PL	645.83	193.89	0.760
2nd Week	BO	328.84	181.01	0.003
2nd Week	PL	620.07	205.86	0.003
3rd Month	BO	336.05	188.57	0.008
3rd Month	PL	623.69	236.12	0.008
6th Month	BO	700.61	387.83	0.736
6th Month	PL	647.76	233.73	0.736