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Table 2 Subject baseline demographics and disease characteristics

From: Rationale and design of a prospective study: Cervical Dystonia Patient Registry for Observation of OnaBotulinumtoxinA Efficacy (CD PROBE)

Characteristic
(n = 609)*
n (%) or mean ± SD (range)
Gender, female 462 (75.9)
Age, y 57.6 ± 14.3 (19.4-90.2)
Race/Ethnicity  
   White 570 (93.6)
   Hispanic 17 (2.8)
   Asian 11 (1.8)
   Black 9 (1.5)
   Native American 1 (0.2)
   Other 1 (0.2)
BMI, kg/m2 26.4 ± 5.4
Age at CD symptom onset, y (n = 608) 48.3 ± 16.2 (0.0-89.3)
Time from CD onset to CD diagnosis, y (n = 608) 5.4 ± 8.6 (-0.3-53.7)
Time to CD treatment after diagnosis, y (n = 608) 1.0 ± 3.5 (-0.3-31.4)
Total TWSTRS (n = 604) 38.2 ± 13.2 (4-077.0)
  1. *Number of patients with data was 609 unless otherwise specified. SD: standard deviation; BMI: body mass index; CD: cervical dystonia; TWSTRS: Toronto Western Spasmodic Torticollis Rating Scale.