Quantification of tremor using consumer product accelerometry is feasible in patients with essential tremor and Parkinson’s disease: a comparative study

Table 1 Sample frequency, standard deviation (SD), weight and range per accelerometer. ^aRange as defined in specifications, exact setting could not be found

Consumer product	Data acquisition software	Number of measurements (n)	Sample frequency (Hz)	SD (Hz)	Weight device (g)	Range (±G)
Standard	Biometrics	840	1000	0.0	10	10
iPhone	Make Helsinki	120	329	41.7	138	2–16^a
iPod	CHDR	120	98	31.7	88	2–16^a
Apple Watch	Make Helsinki	120	52	5.8	28	2–16^a
Huawei Nexus	Make Helsinki	120	20	0.0	178	2–16^a
Huawei watch	Make Helsinki	119	20	0.0	60	2–16^a
MW watch	Make Helsinki	118	103	23.3	17	2
MW clip	Make Helsinki	120	101	0.4	11	2

ISSN: 2054-7072