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Table 4 Correlation coefficients between the percentage change in time and frequency domain HRV measures and the percentage change in pulse harmonics in both groups of subjects

From: Increased first and second pulse harmonics in Tai Chi Chuan practitioners

Measures

%mRRI

%HR

%SDRR

%CVRR

%TP

%ULFP

%VLFP

%LFP

%HFP

%nVLFP

%nLFP

%nHFP

%LHR

Control group

%TPp

−0.05

0.04

−0.12

−0.12

−0.11

−0.13

−0.14

−0.11

−0.05

−0.14

−0.08

0.10

−0.13

%Ph1

−0.01

−0.01

0.15

−0.16

−0.13

−0.09

−0.16

−0.14

−0.07

−0.14

−0.11

0.12

−0.16

%Ph2

−0.06

0.05

−0.13

−0.12

−0.13

−0.10

−0.14

−0.14

−0.07

−0.11

−0.10

0.11

−0.15

%Ph3

0.01

−0.03

−0.02

−0.02

−0.08

0.13

−0.08

−0.11

−0.02

−0.04

−0.14

0.06

−0.15

%Ph4

−0.05

0.02

0.18

0.22

−0.01

0.33

−0.03

−0.11

0.01

0.01

−0.05

−0.02

−0.05

%Ph5

0.18

−0.18

0.18

0.15

−0.05

0.44*

0.07

0.04

0.04

0.12

−0.05

−0.11

−0.01

%Ph6

0.28

−0.28

0.31

0.23

0.12

0.57*

−0.01

0.12

0.16

−0.12

0.02

−0.05

0.02

%Ph7

0.19

−0.19

0.09

0.03

−0.07

0.40*

−0.14

−0.01

0.01

−0.15

−0.08

0.05

−0.13

%Ph8

0.22

−0.24

0.28

0.23

0.14

0.44*

−0.01

0.18

0.14

−0.13

0.03

−0.07

0.05

%nPh1

0.13

−0.12

−0.37*

−0.46*

−0.31

−0.08

−0.17

−0.18

−0.35

0.05

0.19

0.15

−0.01

%nPh2

−0.13

0.12

−0.34

−0.32

−0.30

−0.19

−0.24

−0.14

−0.29

−0.19

0.43*

0.16

0.08

%nPh3

−0.03

0.03

−0.16

−0.16

−0.17

−0.01

−0.09

−0.19

−0.20

0.07

−0.15

−0.03

−0.13

%nPh4

−0.12

0.11

0.13

0.21

−0.08

0.35

−0.02

−0.03

−0.15

0.12

0.13

−0.14

0.11

%nPh5

−0.02

0.01

−0.15

−0.15

−0.16

−0.02

−0.09

−0.10

−0.18

0.01

0.16

0.01

0.02

%nPh6

0.33

−0.32

0.11

−0.01

0.10

0.14

0.03

0.08

0.21

−0.14

0.22

0.06

0.03

%nPh7

0.03

−0.04

−0.27

−0.31

−0.21

−0.17

−0.26

−0.17

−0.13

−0.35

0.06

0.19

−0.13

%nPh8

0.05

−0.07

−0.32

−0.38*

−0.24

−0.18

−0.23

−0.22

−0.23

−0.16

−0.12

0.13

−0.18

%F1

−0.71*

0.72*

−0.12

0.16

−0.29

0.03

−0.17

−0.22

−0.41*

0.18

−0.01

−0.09

0.04

TCC group

%TPp

−0.42*

0.48*

−0.06

0.09

−0.06

−0.10

−0.001

−0.06

−0.10

0.08

−0.11

0.01

0.04

%Ph1

−0.43*

0.49*

−0.06

0.09

−0.06

−0.10

−0.003

−0.06

−0.11

0.08

−0.10

−0.01

0.05

%Ph2

−0.42*

0.48*

−0.03

0.13

−0.03

−0.03

0.02

−0.06

−0.06

0.07

−0.05

−0.02

−0.01

%Ph3

0.23

−0.19

0.40*

0.35

0.38*

0.24

0.41*

0.08

0.32

0.15

−0.06

−0.03

−0.20

%Ph4

0.08

−0.07

0.31

0.30

0.31

0.10

0.28

0.22

0.19

0.02

0.00

−0.05

0.07

%Ph5

−0.14

0.19

0.20

0.26

0.22

0.04

0.26

0.05

0.11

0.12

−0.18

0.02

−0.05

%Ph6

−0.26

−0.21

0.47*

0.41*

0.48*

0.21

0.48*

0.15

0.32

0.13

−0.19

−0.008

−0.10

%Ph7

−0.45*

−0.40*

0.44*

0.31

0.41*

0.27

0.40*

0.14

0.30

0.04

−0.16

0.006

−0.10

%Ph8

−0.17

−0.12

0.24

0.19

0.21

0.16

0.14

0.08

0.27

−0.08

−0.05

0.004

−0.13

%nPh1

−0.22

0.20

−0.11

−0.03

−0.10

−0.11

−0.07

−0.03

−0.24

0.03

0.003

−0.18

0.34

%nPh2

−0.19

0.17

−0.16

−0.09

−0.15

0.05

−0.12

−0.10

−0.17

0.05

0.15

−0.23

0.13

%nPh3

−0.25

−0.25

0.07

−0.01

0.05

0.31

0.15

−0.20

0.02

0.24

−0.02

−0.19

−0.25

%nPh4

−0.15

0.13

0.02

0.10

0.01

−0.01

−0.06

0.14

−0.12

−0.13

0.02

−0.13

0.45*

%nPh5

−0.18

0.17

−0.03

0.05

−0.03

−0.01

−0.06

−0.03

−0.17

−0.06

−0.12

−0.11

0.28

%nPh6

−0.48*

−0.48*

0.23

0.06

0.22

0.33

0.26

−0.12

0.16

0.13

−0.20

−0.07

−0.34

%nPh7

−0.45*

−0.43*

0.24

0.09

0.20

0.32

−0.21

−0.03

0.15

0.06

−0.14

−0.02

−0.18

%nPh8

−0.37*

−0.37*

0.13

0.01

0.06

0.33

−0.05

−0.06

0.15

−0.17

−0.08

−0.03

−0.16

%F1

−0.76*

0.76*

−0.46*

−0.22

−0.40*

−0.25

−0.46*

0.12

−0.38*

−0.17

0.11

0.09

0.43*

  1. * P < 0.05