Table 3.

Results of the treatments in patients suffering from PD with sialorrhea

		p value
The score of DFSS before injections	7.00±1.03	0.000*
The score of DFSS after injections	3.21±0.89
The duration of efficacy at first injections (weeks)	17.28±9.21	0.001*
The duration of efficacy at last injections (weeks)	18.03±9.02

Data are presented as mean±standard deviation,

^*indicates statistical significance

PD: Parkinson’s disease; DFSS: Drooling Severity and Frequency Scale