TABLE 1.

The demography of patients with magnetic resonance guided focused ultrasound surgery (MRgFUS) autofocusing (AF) echo imaging.

Characteristics	Value
Total patients	8
Age
Mean (range)	68.87 (61–74)
Diagnosis (target)
ET (VIM)	6
PD (GPi)	2
Mean SDR (total)	0.35
SDR (ET)	0.34
SDR (PD)	0.41
Mean volume (total)	282.21
Volume (ET)	280.57
Volume (PD)	287.13

Note. ET, essential tremor; PD, Parkinson’s disease; VIM, Ventral intermediate nucleus; GPi: Globus pallidus interna; and SDR, skull density ratio.