Table 1
Demographic and clinical features of 212 ET cases.
| FEATURE | DATA |
|---|---|
| Age (years) | 80 [12], range = 55–95 |
| Female Sex | 130 (61.3) |
| Education (years) | 16 [4] |
| Total number of current prescription medications | 5 [4] |
| Family history of ET | 108 (50.9) |
| Ever prescribed ET medications | 181 (85.4) |
| Age of tremor onset (years) | 41 [42] |
| Tremor duration (years) | 34 [37] |
| Total tremor score | 23.5 [7.5], range = 8.5–36 |
| Number of tandem mis-steps | 4.0 [9], range = 0–60 |
| ABC-6 score | 61.6 [45.0], range = 0–100 |
[i] Values are median [interquartile range] or number (percentage) unless otherwise specified.
ABC = Activities Balance Confidence Scale, ET = essential tremor.

Figure 1
Total tremor score by number of tandem mis-steps in 212 ET cases.
Each horizontal bar represents the median value, interquartile range and range at each level of tandem mis-steps.

Figure 2
Total tremor score by tandem mis-step tertile in 212 ET cases.
Vertical bars present mean ± 2 standard errors.

Figure 3
Total tremor score by ABC-6 tertile in 212 ET cases.
Vertical bars present mean ± 2 standard errors.
