Table 2

Demographic and clinical features of patients who had dystonic tremor alone, patients who had tremor associated with dystonia alone, and patients who had both types of tremor

CharacteristicDystonic tremor aloneTremor associated with dystonia aloneDystonic tremor and tremor associated with dystoniap Value
Number of patients43236
Sex (women/men)33/1016/75/10.7
Distribution of tremor, n/N (%)*
 Head/face1000.004
 Neck38/43 (88)13/23 (56)6/6 (100)0.003
 Larynx0/432/23 (9)2/6 (33)0.02
 Upper limbs10/43 (23)12/23 (52)4/6 (67)
 Lower limbs000
Distribution of dystonia, n/N (%)
 Head/face21/43 (49)14/23 (61)3/6 (50)0.64
 Neck41/43 (95)6/23 (26)6/6 (100)<0.0001
 Larynx7/43 (16)3/23 (13)1/6 (17)0.94
 Upper limbs13/43 (30)2/23 (9)0/60.051
 Lower limbs3/43 (7)0/230/60.35
Spread of dystonia to, n/N (%)
 One body site or more28/43 (65)7/23 (30)3/6 (50)0.03
 Two body sites or more19/28 (68)1/7 (14)1/6 (17)0.03
  • *Six patients with dystonic tremor alone and 11 patients with tremor associated with dystonia alone had tremor in more than one body site.