Table 5. Correlation coefficients between Inbrain CST and various neuropsychological tests (n = 97).
| Variables | VST: forward | VST: backward | Category fluency: fruits | Phonemic fluency: digeut | DNT | Block Design Test | Time orientation | WPAT: IR | WPAT: DR | WPAT: WR | WPAT: PR | K-TMT-E-A time | K-TMT-E-B time | Inbrain CST total score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Digit Span: forward | 0.140 | 0.293** | 0.270** | 0.379*** | 0.408*** | 0.387*** | 0.162 | 0.295** | 0.209* | 0.267** | 0.280** | −0.289** | −0.339** | 0.437*** |
| Digit Span: backward | 0.352*** | 0.499*** | 0.393*** | 0.442*** | 0.438*** | 0.440*** | 0.258* | 0.311** | 0.325** | 0.325** | 0.320** | −0.422*** | −0.489*** | 0.571*** |
| Semantic fluency: animal | 0.288** | 0.424*** | 0.654*** | 0.489*** | 0.530*** | 0.507*** | 0.409*** | 0.478*** | 0.545*** | 0.476*** | 0.471*** | −0.524*** | −0.533*** | 0.690*** |
| Phonemic fluency: total | 0.201* | 0.383*** | 0.466*** | 0.709*** | 0.529*** | 0.554*** | 0.273** | 0.307** | 0.386*** | 0.355*** | 0.343** | −0.503*** | −0.484*** | 0.630*** |
| K-BNT | 0.320** | 0.383*** | 0.552*** | 0.471*** | 0.811*** | 0.484*** | 0.434*** | 0.416*** | 0.499*** | 0.541*** | 0.450*** | −0.531*** | −0.591*** | 0.708*** |
| RCFT: copy | 0.410*** | 0.452*** | 0.401*** | 0.396*** | 0.348*** | 0.480*** | 0.504*** | 0.424*** | 0.419*** | 0.442*** | 0.313** | −0.778*** | −0.688*** | 0.618*** |
| Time orientation | 0.396*** | 0.528*** | 0.464*** | 0.375*** | 0.426*** | 0.562*** | 0.818*** | 0.506*** | 0.684*** | 0.739*** | 0.554*** | −0.631*** | −0.666*** | 0.764*** |
| SVLT: IR | 0.333** | 0.376*** | 0.670*** | 0.395*** | 0.505*** | 0.540*** | 0.533*** | 0.677*** | 0.758*** | 0.559*** | 0.597*** | −0.446*** | −0.572*** | 0.742*** |
| SVLT: DR | 0.305** | 0.384*** | 0.551*** | 0.276** | 0.427*** | 0.544*** | 0.612*** | 0.628*** | 0.861*** | 0.620*** | 0.688*** | −0.456*** | −0.506*** | 0.736*** |
| SVLT: recognition | 0.318** | 0.313** | 0.453*** | 0.185 | 0.452*** | 0.493*** | 0.591*** | 0.525*** | 0.672*** | 0.692*** | 0.571*** | −0.455*** | −0.466*** | 0.650*** |
| K-TMT-E-A-time | −0.319** | −0.377*** | −0.358*** | −0.408*** | −0.319** | −0.378*** | −0.407*** | −0.319** | −0.310** | −0.395*** | −0.273** | 0.683*** | 0.653*** | −0.526*** |
| K-TMT-E-B-time | −0.357*** | −0.578*** | −0.549*** | −0.445*** | −0.500*** | −0.522*** | −0.511*** | −0.483*** | −0.501*** | −0.579*** | −0.454*** | 0.677*** | 0.858*** | −0.733*** |
| K-MMSE | 0.469*** | 0.626*** | 0.589*** | 0.399*** | 0.504*** | 0.634*** | 0.753*** | 0.597*** | 0.712*** | 0.745*** | 0.608*** | −0.701*** | −0.808*** | 0.852*** |
CST = Cognitive Screening Test, K-BNT = Korean Boston Naming Test, RCFT = Rey Complex Figure Test, SVLT = Seoul Verbal Learning Test, SVLT: IR = Seoul Verbal Learning Test: Immediate Recall, SVLT: DR = Seoul Verbal Learning Test: Delayed Recall, K-TMT-E-A = Korean-Trail Making Test-Elderly version Part A, K-TMT-E-B = Korean-Trail Making Test-Elderly version Part B, K-MMSE = Korean-Mini Mental State Examination, VST = Visual Span Test, DNT = Difficult Naming Test, WPAT: IR = Ward Place Association Test: Immediate Recall, WPAT: DR = Ward Place Association Test: Delayed Recall, WPAT: WR = Ward Place Association Test: Word Recognition, WPAT: PR = Ward Place Association Test: Place Recognition.
*P < 0.05; **P < 0.01; ***P < 0.001.