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Table 5 Association between pain trajectories (data-driven analysis) and changes in HRV over two weeks using trajectory 1 as the reference category (n = 127)

From: Are changes in pain associated with changes in heart rate variability in patients treated for recurrent or persistent neck pain?

 

Trajectory

β

P-value

Confidence intervals

RR GroupxTime

2

14.9

0.19

-7.5

37.6

3

10.3

0.38

-12.8

33.3

4

-21.3

0.22

-55.1

12.5

RMSSD GroupxTime

2

3.0

0.42

-1.9

7.9

3

-0.1

0.97

-4.9

5.1

4

-3.8

0.26

-10.4

4.3

SDNN GroupxTime

2

1.4

0.44

-2.2

5.0

3

-0.06

0.98

-3.7

3.6

4

-3.0

0.28

-8.3

2.4

HFms GroupxTime

2

28.1

0.63

-86.6

142.8

3

-43.7

0.47

-161.5

74.0

4

-108.4

0.22

-281.1

64.1

Total Power GroupxTime

2

146.1

0.24

-97.3

389.4

3

47.9

0.71

-202.0

297.7

4

-130.0

0.49

-496.3

232.4