Table 4.
Analysis of TMT-B set-shifting errors: where abnormal is classified as ≥2 errors
| Variable | TMT-B set errors ≤1 (n=86) Mean ± SD | TMT-B set errors ≥2 (n=14) Mean ± SD | Statistic |
|---|---|---|---|
| Age | 63.2 ± 12.9 | 65.2 ± 14.4 | p=0.6 |
| Education | 12.7 ±4.4 | 11.7±4.7 | p=0.4 |
| Gender | 45% female | 50% female | p=0.5 |
| NIHSS | 1.41 ± 2.22 | 1.29 ± 1.27 | p=0.6 |
| TMT-A (seconds) | 51.2±42.5 | 54.0±22.2 | p=0.1 |
| TMT-B (seconds) | 119.8±87.0 | 214.2±75.8 | p<0.0001 |
| TMT-B-A difference score (seconds) | 68.3±63.1 | 159.21±66.8 | p<0.0001 |
| TMT-B-A proportion score | 1.42±1.15 | 3.21±1.42 | p<0.0001 |
| TMT-B-A Quotient score | 2.42±1.15 | 4.21±1.42 | p<0.0001 |
| CHIPS | 16.60±13.45 | 27.43±18.28 | p=0.03 |
| WMH %TIV | 0.53±0.58 | 1.23±1.93 | p=0.2 |
| Infarct Volume %TIV | 1.57±3.24 | 1.52±2.03 | p=1.0 |
| Executive Network Strokes | 66% yes | 86% yes | p=0.1 |
| SLF Stroke | 38% yes | 43% yes | p=0.7 |