Changes in Spatial Working Memory in Stable Chronic Obstructive Pulmonary Disease: A Retrospective Study

Table 2

Neuropsychological tests and working memory performance.

Variables,	COPD; ()	HC; ()
Global cognitive function
MoCA			<0.001
Short term memory
DS-forward			0.702
CAVLT immediate recall			0.914
Long term memory
CAVLT delay recall			0.127
Executive function
Stroop interference test (sec)			0.038
VFT fruits and vegetables			0.021
Working memory
Primary task
0-back ACC (%)			0.145
0-back RT (ms)			0.001
Advanced task
1-back ACC (%)			<0.001
1-back RT (ms)			<0.001
2-back ACC (%)			<0.001
2-back RT (ms)			0.002

MoCA: Montreal Cognitive Assessment Test; DS: digit span test; CAVLT: Chinese Auditory Verbal Learning Test; VFT: Verbal Fluency Test; ACC: accuracy; RT: reaction time.