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Table 3 Demographic and clinical characteristics of cervical dystonia patients

From: Evaluation of outcome of different neurosurgical modalities in management of cervical dystonia

n of patients

19

Gender

 Male

10 (19)

 Female

9 (19)

Follow-up period, months

6

Mean age at onset ± SD, years

14.1 ± 14.2

Mean disease duration ± SD, years

6.6 ± 5.6

Mean age at surgery ± SD, years

21.2 ± 11.6

Diagnosis

 1ry dystonia

4 (19)

 2ry dystonia

15 (19)

Etiology of 2ry dystonia

 Perinatal insult

12 (19)

 Trauma

2 (19)

 Antidepressant drug intake

1 (19)

Concomitant symptoms

 Geste antagoniste

9 (19)

 Tremors

7 (19)

 Swallowing difficulty

3 (19)

Trial of medical treatment

 Yes

19

 No

0

Trial of botulinum neurotoxin injection

 Yes

8

 No

11

  1. SD standard deviation