Table 2 The results of the objective measurements

MeasureMean scores (±1 SD) at baseline assessmentSize of treatment effect95% CI of treatment effectSignificance
Tremor Index, 0–6014.2 (9.0–19.4)0.45−1.16 to +2.070.55
Spiral Drawings, 0–105.30 (2.85–7.75)−0.07−2.13 to +0.980.88
Tremor amplitude, mV68.4 (−23.3–160.1)22.5−22.4 to +67.40.29
Tremor frequency, Hz4.30 (3.28–5.32)−0.07−0.45 to +0.330.73
Pegboard, pegs/sec0.17 (0.05–0.29)0.01−0.03 to +0.050.59
Tapping task, taps/10 sec19.8 (5.3–34.28)−3.02−5.38 to −0.650.02
Ataxia rating scores3.21 (1.79–4.63)0.09−0.81 to +0.980.84