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Table 4 Profile of treated cases (31 patients)

From: Unilateral versus bilateral thyroarytenoid Botulinum toxin injections in adductor spasmodic dysphonia: a prospective study

Category Unilateral group Bilateral group
Gender   
Male 6 9
Female 5 11
Age (years)   
Mean 55.65 58.52
Median 63.52 60.54
SD 15.45 16.03
Injection episodes 56 95
Mean interval between injections (days) 136.05 ± 56.2 122.68 ± 52.04
Mean voice score 4.24 3.93
Complications 26 episodes 59 episodes
Total voice loss 0 9 ± 5.73 (n = 6)
Breathy voice "whispery" 9.31 ± 7.76 (n = 16) 6.57 ± 4.88 (n = 35)
Cough 2.4 ± 0.89 (n = 5) 5.45 ± 6.23 (n = 11)
Dysphagia 4.8 ± 5.26 (n = 5) 6 ± 4.65 (n = 7)