Treatment Efficacy of Electromyography versus Fiberscopy-Guided Botulinum Toxin Injection in Adductor Spasmodic Dysphonia Patients: A Prospective Comparative Study

Table 1

Patient demographics and results of EMG and fiberscopy-guided injections.

	EMG group	Fiberscopy group	value
Mean ages (years)			0.863
Total dosage of botulinum toxin (U)			0.814
Duration breathiness (days)			0.584
Duration aspiration (days)			0.626
Mean effective duration (months)			0.150
VAS patient satisfaction score			0.048*

*Significant differences of patient satisfaction scores using the visual analog scales (VAS).