Quantitative Analysis of Parkinsonian Tremor in a Clinical Setting Using Inertial Measurement Units

Table 4

Comparison of dominant frequencies between PD and CO.

Segment	Group	f_kin_acc (mean ± SD)	f_pos_acc (mean ± SD)	f_kin_gyr (mean ± SD)	f_pos_gyr (mean ± SD)
Right upper arm	CO	3.278 ± 1.565	6.558 ± 3.213	2.175 ± 0.752	4.164 ± 2.162
	PD	3.516 ± 2.094	7.610 ± 2.730	2.519 ± 1.075	5.715 ± 2.836
Left upper arm	CO	3.101 ± 1.374	5.788 ± 2.775	2.007 ± 0.866	3.195 ± 1.633
	PD	3.925 ± 1.882	7.588 ± 3.627	2.814 ± 1.377	5.421 ± 2.081
Right forearm	CO	1.534 ± 0.396	3.196 ± 1.949	1.829 ± 0.623	2.693 ± 1.662
	PD	1.878 ± 0.890	5.234 ± 2.947	2.364 ± 1.405	4.248 ± 2.654
Left forearm	CO	1.944 ± 0.827	3.958 ± 3.373	2.079 ± 0.749	2.639 ± 1.834
	PD	2.173 ± 1.112	6.617 ± 4.504	2.722 ± 2.155	5.074 ± 2.841
Right hand	CO	1.750 ± 0.415	2.287 ± 1.771	1.296 ± 0.649	2.316 ± 2.062
	PD	1.653 ± 0.488	3.857 ± 2.682	1.037 ± 0.347	3.484 ± 2.400
Left hand	CO	1.939 ± 0.656	4.009 ± 3.151	1.548 ± 0.723	2.396 ± 1.211
	PD	1.882 ± 1.014	2.892 ± 1.889	1.662 ± 1.726	3.333 ± 2.479