Skip to main content
. Author manuscript; available in PMC: 2009 Aug 1.
Published in final edited form as: Parkinsonism Relat Disord. 2008 Nov 22;15(7):535–538. doi: 10.1016/j.parkreldis.2008.10.006

Table 1.

Clinical features of ET cases who report embarrassment s vs. ET cases who do not report embarrassment

ET cases who reported embarrassment (n = 203) ET cases who did not report embarrassment (n = 146) Significance (p value)
Age in years 65.5 ± 16.2 69.5 ± 13.8 0.02a
Female Gender 115 (56.7%) 63 (43.2%) 0.01b
OR = 1.7 (1.1 – 2.7)
White Race 188 (92.6%) 140 (95.9%) 0.20b
Education (years) 14.7 ± 3.8 15.5 ± 3.9 0.050a
Age of tremor onset in years 40.8 ± 22.9 (n = 198) 50.4 ± 20.8 <0.001a
Tremor duration in years 25.2 ± 18.9 (n = 198) 19.1 ± 17.6 0.003a
First- or second-degree relative with ET or tremor 138 (68.0%) 80 (54.8%) 0.01b
OR = 1.8 (1.1 – 2.7)
Currently takes daily medication for tremor 112 (55.2%) 56 (38.4%) 0.002b
OR = 2.0 (1.3 – 3.1)
Total tremor score 19.9 ± 7.5 17.4 ± 6.4 0.001a
Tremor disability scale score 59.0 ± 28.6 (n = 202) 41.1 ± 27.6 (n = 140) <0.001a
Performance-based test score* 34.3 ± 22.2 (n = 116) 26.2 ± 19.3 (n = 75) 0.01a
CIRS score 5.6 ± 3.7 5.5 ± 3.6 (n = 141) 0.76a
Head tremor by history 78 (38.6%) (n = 202) 44 (30.3%) (n = 145) 0.11b
OR = 1.4 (0.92 – 2.3)
Head tremor on exam 83 (40.9%) 50 (34.2%) 0.21b
Voice tremor by history 49 (24.1%) 15 (10.3%) 0.001b
OR = 2.8 (1.5 – 5.2)
Voice tremor on exam 71 (35.3%) (n = 201) 38 (26.2%) (n = 145) 0.07b
OR = 1.5 (0.96 – 2.5)

Values represent mean ± standard deviation or number (percentage). For some items, there were missing data and sample size is provided in parentheses (e.g., n = 198).

*

Performance-based test score was performed as part of a sub-study.

OR = odds ratio with 95% confidence intervals.

a

t test

b

Chi-square test

CIRS = Cumulative Illness Rating Scale.