No. MUP duration(ms)▲ Light contraction amplitude (uV)▼ Percentage of polyphasic MUP (%)▲ Strong contraction amplitude (uV)▼ MSA 31 12.79±3.21 249.00(210.00-340.00) 23.02±19.29 0.6 (0.50-1.15) PD 16 9.90±1.01 276.00(238.25-424.00) 17.00±8.62 0.65 (0.50-1.00) statistics   4.593 0.210 0.778 247.000 P value   <0.001 0.393 0.447 0.714 Data was standard normal distribution. T test was used for analysis.▼Data was not standard normal distribution. Mann-Whitney U test was used for analysis.

Table 6: US-EMG results between MSA and PD groups.