Table 1.

Geometric means and 95% CIs for each tremor rating

Measure of Tremor Amplitude	Spectral Method	Geometric Mean (95% CI) for each TRSc
		TRS = 1	TRS = 2	TRS = 3	All TRS
Mean displacement (cm)a	Morlet wavelet	0.0401 (0.0176–0.0916)	0.101 (0.0711–0.142)	0.367 (0.148–0.911)	0.0959 (0.0646–0.142)
Mean displacement (cm)a	FFT	0.0347 (0.0154–0.0782)	0.0888 (0.0651–0.121)	0.339 (0.124–0.930)	0.0848 (0.0573–0.125)
Mean rotation (deg)a	Morlet wavelet	0.143 (0.0857–0.240)	0.665 (0.501–0.882)	2.539 (0.531–12.133)	0.541 (0.345–0.847)
Mean rotation (deg)a	FFT	0.130 (0.0877–0.192)	0.618 (0.474–0.804)	2.358 (0.517–10.756)	0.499 (0.320–0.776)
Maximum burst displacement (cm)b	Morlet wavelet	0.0698 (0.0355–0.137)	0.197 (0.132–0.294)	0.555 (0.275–1.117)	0.175 (0.119–0.256)
Maximum burst rotation (deg)b	Morlet wavelet	0.222 (0.124–0.398)	1.128 (0.800–1.591)	4.202 (0.920–19.188)	0.891 (0.555–1.433)

Number of patients = 7, 15, and 4 for tremor ratings 1, 2, and 3.

^aMean peak‐to‐peak amplitude for the 1‐minute recording of head position with greatest tremor.

^bMean peak‐to‐peak amplitude for the 3‐second interval with greatest tremor for the head position with greatest tremor.

^cTremor rating score.