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The characteristics of experimental and control groups
| Experimental group (n = 12) | Control group (n = 12) | ||
| Mean (SD) | Mean (SD) | P | |
| Age (year) | 59.8 (3.0) | 58.2 (3.4) | 0.24 |
| Range | 54–65 | 52–64 | |
| Disease duration (year) | 4.8 (1.1) | 4.4 (1.2) | 0.39 |
| Stage (Hoehn and Yahr scale) | 2.8 (0.3) | 2.7 (0.4) | 0.58 |
| Median | 3.0 | 3.0 | |
| 1st quartile | 3.0 | 2.2 | |
| Range | 2–3 | 2–3 | |
