Table 1

Demographic characteristics of 264 patients with cranial-cervical dystonia

Women (n=185)Men (n=79)p Value*
Values are mean (SD) for age at onset, duration of disease, and education level.
 *By Student’s t test or χ2 test.
Age at onset of dystonia (years)54.3 (13.4)48.8 (15.8)0.004
Duration of disease (years)8.8 (7.1)8.1 (5.8)0.44
Education level (years of schooling)6.2 (3.7)8.0 (2.8)<0.001
Number of patients residing in the province of the referral centre44170.81