Table 1.
Demographic and clinical baseline characteristics
| Characteristic | Toronto cohort (n = 33) |
WVU-RNI cohort (n = 22) |
|
|---|---|---|---|
| Age (years) | 69 (10) | 73 (8) | |
| Education (years) | 15 (3) | 12 (4)a | |
| Sex, n (%) | Male | 25 (76) | 11 (50) |
| Female | 8 (24) | 11 (50) | |
| Race/ethnicity, n (%) | Asian | 1 (3) | 0 (0) |
| Non-Hispanic Black/African American | 3 (9) | 0 (0) | |
| Non-Hispanic White | 29 (88) | 22 (100) | |
| Tremor duration (years) | 24 (24)a | 22 (41)a | |
| Handedness, n (%) | Right | 28 (85) | 16 (73) |
| Left | 5 (15) | 6 (27) | |
| Side of ablation, n (%) | Right | 6 (18) | 6 (27) |
| Left | 27 (82) | 16 (73) | |
| Baseline cognitive status, n (%) | Normal | 8 (36) | |
| Mild neurocognitive impairment | 11 (50) | ||
| Major neurocognitive impairment | 3 (14) | ||
| Baseline/MRgFUS interval (days) | 11 (7)a | 94 (85)a | |
| MRgFUS/follow-up interval (days) | 108 (41)a | 201 (51)a |
Continuous data are reported as mean (SD) if normally distributed and as median (IQR) if the distribution is non-normal. MRgFUS, magnetic resonance–guided focused ultrasound; WVU-RNI, West Virginia University School of Medicine Rockefeller Neuroscience Institute. aA non-normal distribution.