. 2017 Jan 31;57(4):166–171. doi: 10.2176/nmc.oa.2016-0114

Table 3.

Selected UPDRS III subscores and results of Mann-Whitney U-test of difference between groups I and D

Symptoms and related subscores		Mann-Whitney U	Z	P value
Tremor (items 20 and 21)	on	512.5	−0.477	0.633
Tremor (items 20 and 21)	off	510.5	−0.441	0.659
Rigidity (item 22)	on	491.5	−0.686	0.493
Rigidity (item 22)	off	471	−0.958	0.338
Bradykinesia (items 23, 24, 25, 26 and 31)	on	404.5	−1.802	0.072
Bradykinesia (items 23, 24, 25, 26 and 31)	off	453.5	−1.172	0.241
Axial symptoms (items 18, 27, 28, 29 and 30)	on	417	−1.651	0.099
Axial symptoms (items 18, 27, 28, 29 and 30)	off	299	−3.165	0.002^*

Statistically significant, UPDRS: Unified Parkinson’s Disease Rating Scale.