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Table 7 Bivariate analysis (Pearson´s linear correlation) in SAHS group study

From: Cerebral hemodynamics is altered in patients with sleep apnea/hypopnea syndrome

 

MFV

BHT

r

p

r

p

AHI (number/h)

−0.162

0.162

−0.139

0.232

ODI (number/h)

−0.271

0.018

0.112

0.340

AI (number/h)

−0.085

0.468

−0.096

0.407

Baseline O2 saturation (%)

0.198

0.086

0.053

0.649

Mean O2 saturation (%)

0.232

0.043

0.048

0.682

Minimal O2 saturation (%)

0.169

0.144

−0.128

0.269

CT90 (%)

−0.307

0.007

0.061

0.599

Baseline MAP (mmHg)

0.195

0.095

−0.346

0.002

Post-apnea MAP (mmHg)

  

−0.189

0.103

∆MAP (mmHg)

  

0.218

0.059

  1. MFV mean flow velocity, BHT breath-holding test, AHI apnea/hypopnea index, ODI 4 % oxygen desaturation index, AI EEG arousal index, CT 90 total sleep time percentage with O2 saturation lower than 90 %, MAP mean arterial pressure, ∆MAP difference between post-apnea MAP and baseline MAP
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