Research Article
Tremor Types in Parkinson Disease: A Descriptive Study Using a New Classification
Table 2
Characteristics of patients with Parkinson disease by tremor type.
| | Characteristics | Tremor type | Association | | I | II-R | II-C | III | IV |
| | Number | 96 | 78 | 78 | 60 | 3 | — | | Age | 76.2 ± 9.2 | 76.2 ± 9.6 | 72.7 ± 9.1 | 74.0 ± 9.5 | 83.1 ± 1.4 | | | Female (%) | 57 | 53 | 53 | 41 | 60 | | | Family history of PD (%) | 5 | 10 | 17 | 16 | 20 | | | Disease duration (years) | 5.2 ± 3.1 | 5.1 ± 3.2 | 7.3 ± 6.0 | 6.4 ± 4.7 | 5.5 ± 3.5 | | | Hoehn and Yahr I-II (%) | 92 | 95 | 90 | 90 | 85 | | | Motor fluctuations (%) | 12 | 10 | 12 | 9 | 10 | | | UPDRS rigidity | 2.1 ± 0.3 | 2.0 ± 0.23 | 2.0 ± 0.3 | 2.2 ± 0.1 | 2.0 ± 0.3 | | | Anticholinergics (%) | 15 | 25 | 24 | 10 | 10 | | | Beta-blockers (%) | 0 | 10 | 30 | 50 | 60 | |
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UPDRS, Unified Parkinson's Disease Rating Scale. Association: statistical association between clinical variable and tremor type.
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