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Table 3 Pearson correlation coefficients of vasomotor regulation in the migraine group (upper part) and the control group (lower part)

From: Autonomous control of cardiovascular reactivity in patients with episodic and chronic forms of migraine

Migraine group

 

HG

CSV

SBPOL

DBPOL

IBPVM

BPV

 HG

1

0.17

0.09

0.04

0.17

0.35

p = 0.21

p = 0.48

p = 0.7

p = 0.20

p  < 0.01

 CSV

0.17

1

0.29

0.22

0.13

0.38

p = 0.21

p  < 0.05

p = 0.089

p = 0.322

p  < 0.005

 SBPOL

0.09

0.29

1

0.81

−0.19

−0.01

p =0.48

p <0.05

p  < 0.001

p = 0.143

p <0.91

 DBPOL

0.04

0.22

0.81

1

−0.25

0.02

p = 0.74

p = 0.09

p  < 0.001

p = 0.05

p = 0.87

 IBPVM

0.17

0.13

−0.19

−0.25

1

0.42

p = 0.2

p = 0.3

p = 0.1

p = 0.05

p  < 0.001

 BPV

0.35

0.38

−0.01

0.02

0.42

1

p  < 0.01

p  < 0.005

p = 0.91

p = 0.87

p  < 0.001

Control group

 

HG

CSV

SBPOL

DBPOL

IBPVM

BPV

 HG

1

0.14

0.13

0.09

0.19

0.33

p = 0.27

p = 0.30

p = 0.50

p = 0.13

p  < 0.01

 CSV

0.14

1

0.25

0.16

0.06

0.42

p = 0.27

p  < 0.05

p = 0.23

p = 0.66

p  < 0.001

 SBPOL

0.13

0.25

1

0.82

−0.10

−0.02

p = 0.30

p  < 0.05

p <  0.001

p = 0.415

p = 0.903

 DBPOL

0.09

0.16

0.82

1

−0.13

−0.01

p = 0.50

p = 0.23

p  < 0.001

p = 0.31

p = 0.94

 IBPVM

0.19

0.06

−0.10

−0.13

1

0.35

p = 0.13

p = 0.66

p = 0.42

p = 0.31

p  < 0.005

 BPV

0.33

0.42

−0.02

−0.01

0.35

1

p  < 0.01

p  < 0.001

p = 0.903

p = 0.942

p  < 0.005

  1. Legend: HG handgrip test, CSV cold-stress vasoconstriction, SBPOL systolic blood pressure orthostatic load, DBPOL diastolic blood pressure orthostatic load, IBPVM increment of mean blood pressure during Valsalva Maneuver, BPV blood pressure variability, significant correlation is highlighted by bold fonts