Stroop and Digit Span tests after MRgFUS, 24-month follow-up
| Stroop* | Digit Span (forward) | |||||||
|---|---|---|---|---|---|---|---|---|
| Pt. no | BL | 6 mo | 12 mo | 24 mo | BL | 6 mo | 12 mo | 24 mo |
| 1 | 0.70 | 0.79 | 0.75 | 0.75 | 8 | 13 | 10 | 10 |
| 2 | 1.45 | 1.44 | — | 1.75 | 14 | 13 | — | 14 |
| 3 | 1.46 | 1.40 | 1.17 | 0.95 | 9 | 10 | 14 | 10 |
| 4 | 1.42 | 1.01 | — | 1.13 | 9 | 10 | — | 14 |
| 5 | 0.98 | 1.07 | — | 1.11 | 12 | 13 | — | 13 |
| 6 | 1.53 | 2.08 | 2.04 | 1.10 | 12 | 11 | 14 | 14 |
| 7 | 1.56 | 1.59 | 1.53 | 1.47 | 13 | 10 | 11 | 11 |
| 8 | 1.25 | 1.16 | 1.16 | 1.13 | 9 | 7 | 7 | 11 |
| 9 | 0.96 | 0.89 | 1.02 | 1.01 | 7 | 6 | 12 | 8 |
| 10 | 1.57 | 2.11 | 1.45 | 1.23 | 8 | 7 | 8 | 9 |
| 11 | 0.84 | 0.74 | 0.68 | — | 11 | 11 | 14 | — |
| Mean ± SD† | 1.25 ± 0.32 | 1.30 ± 0.48 | 1.22 ± 0.45 | 1.16 ± 0.28 | 10.2 ± 2.3 | 10.1 ± 2.5 | 11.3 ± 2.8 | 11.4 ± 2.2 |
BL = baseline; pt. = patient; MRgFUS = magnetic resonance–guided focused ultrasound; SD = standard deviation; Stroop = Colour Word Stroop Test, Korean version.
↵* Mean reaction time for correct trials (s).
↵† Mean values at 12 months were from 8 patients (data for patients 2, 4 and 5 were missing). Mean values at 24 months were from 10 patients (data for patient 11 were missing).