Table 1.
Baseline demographic and clinical characteristics.
| Variables | Mean ± SD |
|---|---|
| Age, year | 59.2 ± 13.5 |
| Sex (male/female), N (%) | 31 (64.6)/17 (35.4) |
| Treated side (left/right), N (%) | 41 (85.4)/7 (14.6) |
| Family history (positive/negative/uncertain), N (%) | 21 (43.8)/20 (41.7)/7 (14.5) |
| Disease duration, year | 19.2 ± 13.6 |
| SDR | 0.5 ± 0.1 |
| Average skull thickness, cm | 7.1 ± 1.0 |
| Skull area, cm2 | 366.2 ± 24.9 |
| Average IA, degree | 12.7 ± 1.1 |
| No. of IA, < 20 | 892.2 ± 62.3 |
| No. of IA, < 25 | 969.6 ± 34.9 |
| Active elements | 985.4 ± 32.0 |
| No. of sonications | 10.0 ± 2.6 |
| No. of sonications, ≥ 50°C | 4.6 ± 2.2 |
| T max, °C | 57.0 ± 2.4 |
| Average total energy, J | 97908.6 ± 60052.6 |
| Average maximum energy, J | 19710.5 ± 8624.9 |
SD, Standard Deviation; SDR, Skull Density Ratio; IA, Incident Angle; T max, Maximum Temperature reached after completion of the procedure.