Research Article
Changes in Spatial Working Memory in Stable Chronic Obstructive Pulmonary Disease: A Retrospective Study
Table 3
Correlation analysis between clinical parameter and cognitive functions of COPD patients.
| | PaO2 | PaCO2 | FEV1/FVC | | | | | | |
| Global cognitive function | | | | | | | MoCA | 0.375 | 0.045 | -0.185 | 0.336 | 0.183 | 0.341 | Short term memory | | | | | | | DS-forward | 0.238 | 0.156 | -0.044 | 0.798 | 0.075 | 0.658 | AVLT immediate recall | 0.602 | 0.001 | -0.143 | 0.461 | -0.121 | 0.531 | Long term memory | | | | | | | AVLT delay recall | 0.354 | 0.059 | -0.064 | 0.743 | 0.126 | 0.514 | Executive function | | | | | | | Stroop interference test | -0.375 | 0.045 | 0.160 | 0.407 | 0.015 | 0.939 | VFT fruits and vegetables | 0.194 | 0.314 | -0.397 | 0.033 | 0.183 | 0.343 | Working memory | | | | | | | Primary task | | | | | | | 0-back ACC | 0.040 | 0.838 | 0.138 | 0.476 | -0.012 | 0.949 | 0-back RT | 0.407 | 0.028 | -0.213 | 0.268 | -0.209 | 0.278 | Advanced task | | | | | | | 1-back ACC | 0.517 | 0.004 | -0.404 | 0.030 | -0.083 | 0.670 | 1-back RT | -0.005 | 0.978 | -0.073 | 0.707 | 0.029 | 0.882 | 2-back ACC | 0.114 | 0.557 | -0.208 | 0.278 | 0.094 | 0.628 | 2-back RT | -0.193 | 0.316 | -0.105 | 0.586 | 0.133 | 0.490 |
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MoCA: Montreal Cognitive Assessment Test; DS: digit span test; CAVLT: Chinese Auditory Verbal Learning Test; VFT: Verbal Fluency Test; ACC: accuracy; RT: reaction time.
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