Supplementary Table 2. Cognitive changes upon 3-month follow-up after carotid artery stenting in patients with MR perfusion defect versus without MR perfusion defect as compared to controls.
| Neuropsychological test | Baseline score | Difference from baseline | ANCOVA | ||||
|---|---|---|---|---|---|---|---|
| Perfusion defect (+) (n=5) | Perfusion defect (-) (n=14) | Control (n=10) | Perfusion defect (+) (n=5) | Perfusion defect (-) (n=14) | Control (n=10) | p | |
| K-MMSE | 24.6±4.4 | 24.1±4.8 | 26.5±2.6 | 2.6±4.0 | 0.9±2.8 | 1.1±2.2 | 0.449 |
| Digit span-forward | 6.2±1.9 | 6.1±1.5 | 6.5±1.8 | 0.4±2.6 | 0±1.7 | 0±0.9 | 0.788 |
| Digit span-backward | 3.6±2.1 | 3.1±1.7 | 3.6±1.0 | 0.4±1.8 | 0.5±1.2 | 0±1.2 | 0.797 |
| K-BNT | 9.0±3.5 | 9.9±3.0 | 12.2±1.4 | 0.4±1.3 | 0.9±0.9 | 1.0±1.7 | 0.477 |
| Calculation | 9.2±4.8 | 8.9±4.3 | 9.9±2.8 | 2.8±4.8 | 0.1±1.7 | 0±0.7 | 0.048 |
| ROCFT | 26.8±15.2 | 24.7±12.6 | 32.2±6.8 | 2.2±2.9 | 2.3±5.4 | 0.8±2.8 | 0.335 |
| Orientation | 5.6±0.9 | 5.4±1.0 | 5.7±0.5 | 0.4±0.9 | 0.1±0.9 | 0.3±0.5 | 0.654 |
| SVLT free recall | 15.2±8.2 | 10.8±7.0 | 20.4±6.4 | 0±6.2 | 3.1±6.7 | 2.8±5.0 | 0.039 |
| SVLT delayed recall | 4.0±2.9 | 3.1±2.9 | 5.6±3.7 | 0±2.6 | 1.7±4.3 | 1.7±2.3 | 0.304 |
| SVLT recognition | 6.6±4.0 | 5.1±3.2 | 8.4±1.6 | 0.2±5.0 | 1.1±3.0 | 1.7±1.8 | 0.045 |
| ROCFT-immediate/delayed recall | 20.8±15.2 | 21.0±16.7 | 31.4±17 | 9.9±10.4 | 5.6±7.1 | 7.0±7.5 | 0.657 |
| ROCFT-recognition | 5.0±4.5 | 5.7±3.7 | 7.3±2.5 | 0±3.6 | 1.4±2.5 | 1.2±2.7 | 0.108 |
| Contrasting program | 2.2±1.3 | 2.4±1.2 | 2.8±0.6 | 0.8±1.3 | 0.1±0.5 | 0.2±0.6 | 0.176 |
| Go-no-go | 2.2±1.3 | 2.4±1.2 | 2.6±0.5 | 0.6±1.5 | 0±1.1 | 0±0.6 | 0.539 |
| Fist-edge-palm | 2.0±1.4 | 2.2±1.0 | 3.0±0 | 0.6±0.9 | 0.4±0.9 | 0±0 | 0.893 |
| Luria loop | 2.4±1.3 | 2.6±1.1 | 2.7±0.7 | 0±0 | 0±1.1 | 0.3±0.7 | 0.350 |
| Word fluency-animal | 8.8±4.2 | 12.0±4.8 | 13.5±2.7 | 2.0±2.2 | 1.0±4.3 | 0.6±2.5 | 0.791 |
| Word fluency-phonemic | 4.6±2.8 | 4.1±4.6 | 6.5±2.8 | 0±2.4 | 0.6±4.2 | 0±3.5 | 0.394 |
| Stroop test-color | 12.0±6.7 | 9.7±7.0 | 15.7±2.9 | 3.7±2.3 | 1.6±3.4 | 1.1±3.0 | 0.335 |
| SNSB-D score | 149.2±75.1 | 142.1±60.8 | 193±37.8 | 20.8±32.9 | 19.7±23.8 | 17.3±12.2 | 0.983 |
ANCOVA: analysis of covariance, K-BNT: Korean version of the Boston Naming Test, K-MMSE: Korean version of the Mini Mental State Examination, ROCFT: Rey-Osterrieth Complex Figure Test, ROCFT-immediate/delayed recall: immediate/delayed recall domain of the ROCFT, ROCFT-recognition: recognition domain of the ROCFT, SNSB-D: Seoul Neuropsychological Screening Battery-Dementia Version, SVLT: Seoul Verbal Learning Test.