Table 4.
Association of essential and dystonic tremor syndromes with the presence of tremor per subsites in phonatory tasks.
| Tremor per subsites in specific tasks | Horizontal laryngeal tremor at /s/ production |
p | ||||
|---|---|---|---|---|---|---|
| No (dystonic tremor) |
Yes (essential tremor) |
|||||
| n | % | n | % | |||
| /é/ production | ||||||
| Palatal tremor | No | – | – | – | – | b |
| Yes | 7 | 100.00% | 12 | 100.00% | ||
| Pharyngeal tremor | No | 1 | 14.30% | 1 | 8.30% | >0.999a |
| Yes | 6 | 85.70% | 11 | 91.70% | ||
| Vertical laryngeal tremor | No | 5 | 71.40% | 7 | 58.30% | 0.656a |
| Yes | 2 | 28.60% | 5 | 41.70% | ||
| Horizontal laryngeal tremor | No | – | – | – | – | b |
| Yes | 7 | 100.00% | 12 | 100.00% | ||
| /i/ production in falsetto | ||||||
| Palatal tremor | No | – | – | – | – | b |
| Yes | 7 | 100.0% | 12 | 100.00% | ||
| Pharyngeal tremor | No | 3 | 42.90% | 2 | 16.70% | 0.305a |
| Yes | 4 | 57.10% | 10 | 83.30% | ||
| Vertical laryngeal tremor | No | 7 | 100.0% | 8 | 66.70% | 0.245a |
| Yes | – | – | 4 | 33.30% | ||
| Horizontal laryngeal tremor | No | 2 | 28.60% | – | – | 0.123a |
| Yes | 5 | 71.40% | 12 | 100.00% | ||
| Tremor reduction in falsetto | ||||||
| Palatal tremor | No | 1 | 14.30% | 9 | 75.00% | 0.020a |
| Yes | 6 | 85.70% | 3 | 25.00% | ||
| Pharyngeal tremor | No | 3 | 42.90% | 11 | 91.70% | 0.038a |
| Yes | 4 | 57.10% | 1 | 8.30% | ||
| Vertical laryngeal tremor | No | 5 | 71.40% | 11 | 91.70% | 0.523a |
| Yes | 2 | 28.60% | 1 | 8.30% | ||
| Horizontal laryngeal tremor | No | 1 | 14.30% | 11 | 91.70% | 0.002a |
| Yes | 6 | 85.70% | 1 | 8.30% | ||
| /z/ production | ||||||
| Palatal tremor | No | 2 | 28.60% | – | – | 0.137a |
| Yes | 5 | 71.40% | 11 | 100.00% | ||
| Pharyngeal tremor | No | 4 | 57.10% | 2 | 16.70% | 0.129a |
| Yes | 3 | 42.90% | 10 | 83.30% | ||
| Vertical laryngeal tremor | No | 5 | 71.40% | 9 | 75.00% | >0.999a |
| Yes | 2 | 28.60% | 3 | 25.00% | ||
| Horizontal laryngeal tremor | No | 1 | 14.30% | – | – | 0.368a |
| Yes | 6 | 85.70% | 12 | 100.00% | ||
a
Descriptive level of Fisher's exact test.
b
No statistical test can be applied.