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Table 4 Correlation analyses between average ICA z-scores in the ROIs and clinical variables in patients with OSAHS

From: Preliminary study on brain resting-state networks and cognitive impairments of patients with obstructive sleep apnea–hypopnea syndrome

 

bilateral PCC(DMN)

right MFG(DAN)

left STG(VAN)

right SFG(SN)

r

P

r

P

r

P

r

P

MMSE

-0.19

0.489

0.09

0.746

0.19

0.475

-0.12

0.650

TMT-A

-0.32

0.220

-0.32

0.228

0.28

0.290

0.13

0.632

TMT-B

-0.04

0.880

-0.23

0.397

0.09

0.737

0.47

0.068

DST-forward

0.27

0.311

0.25

0.356

-0.07

0.807

-0.12

0.647

DST-backward

0.12

0.655

0.38

0.153

-0.05

0.863

0.06

0.837

RAVLT-immediate recall

0.09

0.742

0.11

0.699

0.08

0.762

0.00

0.990

RAVLT-delayed recall

-0.06

0.825

0.11

0.685

0.46

0.075

0.21

0.444

RAVLT-learning

-0.07

0.806

0.00

0.991

0.15

0.587

0.07

0.803

RAVLT-forgetting

0.12

0.667

0.02

0.957

-0.26

0.336

-0.11

0.686

AHI

-0.39

0.131

-0.21

0.437

0.08

0.781

0.04

0.899

SIT90

-0.59

0.015*

-0.38

0.153

0.05

0.845

0.14

0.609

ArI

-0.53

0.034*

-0.41

0.119

0.04

0.886

0.19

0.472

REM% + N3%

0.12

0.650

0.00

0.997

0.12

0.647

0.25

0.344

  1. AHI apnea–hypopnea index, SIT 90 saturation impair time below 90%, ArI arousal index, REM rapid eye movement, N3 nonrapid eye movement stage 3, MMSE Mini-Mental State Examination, TMT trail-making test, DST digit span test, RAVLT Rey's auditory verbal learning test, PCC posterior cingulate gyri, MFG middle frontal gyrus, STG superior temporal gyrus, SFG superior frontal gyrus, * P < 0.05