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

Table 5

Tremor parameters between the PD groups with regard to the UPDRS assessment.

Parameter	Segment	Right 0 (mean ± SD)	Right 1 (mean ± SD)	Segment	Left 0 (mean ± SD)	Left 1 (mean ± SD)
f_kin_gyr	Right upper arm	2.486 ± 0.891	3.077 ± 1.423	Left upper arm	2.804 ± 1.303	3.335 ± 1.551
	Right forearm	2.082 ± 1.189	2.842 ± 1.915	Left forearm	2.354 ± 1.388	2.756 ± 3.245
	Right hand	1.063 ± 0.378	0.890 ± 0.236	Left hand	1.160 ± 0.363	1.954 ± 2.140
f_kin_acc	Right upper arm	3.800 ± 2.234	3.177 ± 1.361	Left upper arm	3.512 ± 1.514	4.146 ± 1.568
	Right forearm	1.940 ± 0.982	1.759 ± 0.693	Left forearm	2.561 ± 0.914	1.232 ± 0.994
	Right hand	1.709 ± 0.528	1.585 ± 0.336	Left hand	2.103 ± 1.101	1.277 ± 0.198
f_post_gyr	Right upper arm	5.730 ± 2.901	6.835 ± 1.654	Left upper arm	5.111 ± 1.802	7.224 ± 2.090
	Right forearm	3.861 ± 2.598	6.342 ± 1.882	Left forearm	5.103 ± 2.724	6.101 ± 2.843
	Right hand	2.927 ± 2.534	5.373 ± 0.708	Left hand	2.692 ± 2.177	5.238 ± 2.99
f_post_acc	Right upper arm	7.263 ± 3.065	8.476 ± 1.338	Left upper arm	7.210 ± 3.962	9.109 ± 2.638
	Right forearm	4.642 ± 3.149	6.960 ± 1.711	Left forearm	6.883 ± 5.155	5.987 ± 2.281
	Right hand	2.881 ± 2.2821	6.463 ± 1.884	Left hand	2.189 ± 1.5860	4.716 ± 1.281
RMS_kin_gyr	Right upper arm	37.44 ± 21.235	38.85 ± 22.193	Left upper arm	33.69 ± 13.926	29.344 ± 22.912
	Right forearm	45.37 ± 16.075	38.445 ± 13.822	Left forearm	48.706 ± 15.478	34.746 ± 15.483
	Right hand	94.38 ± 50.830	75.52 ± 27.201	Left hand	102.949 ± 41.806	53.629 ± 23.809
RMS_kin_acc	Right upper arm	1.5377 ± 0.684	2.237 ± 1.755	Left upper arm	1.741 ± 0.981	1.301 ± 1.100
	Right forearm	1.8329 ± 0.628	1.912 ± 1.500	Left forearm	1.641 ± 0.803	1.024 ± 0.677
	Right hand	2.6642 ± 1.335	3.395 ± 2.262	Left hand	2.729 ± 1.107	2.017 ± 1.382
RMS_post_gyr	Right upper arm	4.8751 ± 3.650	5.218 ± 3.298	Left upper arm	3.974 ± 2.542	4.452 ± 2.172
	Right forearm	5.1201 ± 3.841	5.870 ± 1.942	Left forearm	3.983 ± 2.160	4.518 ± 1.867
	Right hand	8.261 ± 7.465	6.589 ± 1.707	Left hand	8.774 ± 7.580	7.808 ± 6.445
RMS_post_acc	Right upper arm	0.238 ± 0.087	0.389 ± 0.303	Left upper arm	0.296 ± 0.209	0.411 ± 0.546
	Right forearm	0.292 ± 0.178	0.259 ± 0.073	Left forearm	0.249 ± 0.110	0.203 ± 0.078
	Right hand	0.423 ± 0.212	0.351 ± 0.210	Left hand	0.504 ± 0.436	0.438 ± 0.376
ApEn_kin_gyr	Right upper arm	0.381 ± 0.134	0.514 ± 0.291	Left upper arm	0.443 ± 0.108	0.585 ± 0.116
	Right forearm	0.364 ± 0.097	0.407 ± 0.123	Left forearm	0.351 ± 0.114	0.434 ± 0.041
	Right hand	0.307 ± 0.144	0.283 ± 0.130	Left hand	0.305 ± 0.109	0.375 ± 0.087
ApEn_kin_acc	Right upper arm	0.556 ± 0.196	0.561 ± 0.210	Left upper arm	0.513 ± 0.167	0.600 ± 0.252
	Right forearm	0.333 ± 0.152	0.462 ± 0.190	Left forearm	0.445 ± 0.183	0.593 ± 0.352
	Right hand	0.389 ± 0.181	0.353 ± 0.133	Left hand	0.405 ± 0.116	0.522 ± 0.207
ApEn_post_gyr	Right upper arm	0.564 ± 0.152	0.542 ± 0.056	Left upper arm	0.579 ± 0.187	0.579 ± 0.138
	Right forearm	0.570 ± 0.186	0.645 ± 0.233	Left forearm	0.549 ± 0.201	0.678 ± 0.216
	Right hand	0.476 ± 0.179	0.532 ± 0.210	Left hand	0.445 ± 0.166	0.595 ± 0.162
ApEn_post_acc	Right upper arm	0.970 ± 0.129	0.845 ± 0.227	Left upper arm	0.879 ± 0.177	0.803 ± 0.232
	Right forearm	0.898 ± 0.201	0.698 ± 0.309	Left forearm	0.867 ± 0.273	0.678 ± 0.386
	Right hand	0.738 ± 0.199	0.792 ± 0.273	Left hand	0.750 ± 0.144	0.745 ± 0.364