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. Author manuscript; available in PMC: 2018 Aug 1.
Published in final edited form as: Parkinsonism Relat Disord. 2017 May 20;41:79–85. doi: 10.1016/j.parkreldis.2017.05.018

Table 1.

Patient demographics and clinical characteristics (n=40)

Age (years, mean ± SD, range) 64.7 ± 13.7 (26–88)
Gender (n) 24 male; 16 female
Handedness (n) right: 39; left: 1
Positive ET family history (n, %) 30 (75%)
Age at ET onset (years, mean ± SD) 38.3 ± 19.7
Tremor duration (years, mean ± SD, range) 27.0 ± 16.7 (3–75)
On tremor medication, at time of study (n, %) 26 (65%)
  Propranolol 12 (30.0%)
  Primidone 8 (20.0%)
  Topiramate 4 (10.0%)
  Lamotrigine 1 (2.5%)
  Herbal essence (passion flower extract) 1 (2.5%)
Subjective rating of alcohol effect
  Beneficial effect reported (i.e., tremor reduction) (n, %) 19 (47.5%)
  No effect (n, %) 7 (17.5%)
  Unknown whether effect or not / does not drink alcohol (n, %) 14 (35.0%)