Table 2 Frequency, HRV, and Nonlinear ECG Parameters – Comparison among the three periods: PRE, MTI, and POST.

From: Music therapy with adult burn patients in the intensive care unit: short-term analysis of electrophysiological signals during music-assisted relaxation

 

MeanRR (ms)

STDRR (ms)

pRR50 (%)

SD1

SD2

SD1/SD2

LF (%)

HF (%)

LF/HF

MTI-PRE

Average change

15.75

0.307

0.017

-0.009

0.05

-0.019

-13.93

13.93

-2.02

SD. Change

30.66

16.23

6.106

0.131

0.45

0.077

15.61

15.61

3.14

p-value

0.74

0.95

0.997

0.91

0.613

0.68

0.026*

0.021*

0.013*

 

MeanRR

STDRR

pRR50

SD1

SD2

SD1/SD2

LF

HF

LF/HF

POST-PRE

 Average change

-3.38

17.64

0.626

0.083

0.576

-0.04

2.71

-2.71

0.98

 SD. Change

49

28.27

8.00

0.21

0.831

0.119

18.82

18.82

6.28

 p-value

0.927

0.017*

0.903

0.39

0.011*

0.36

0.622

0.668

0.57

MTI-POST

 Average change

19.13

-17.34

-0.609

-0.07

-0.52

0.024

-16.64

16.64

-3.01

 SD. Change

47.2

20.26

7.92

0.153

0.6

0.086

15.58

15.58

4.77

 p-value

0.68

0.132

0.915

0.478

0.031*

0.58

0.011*

0.013*

0.0006*

  1. The data presented represent the average change and the standard deviation of the changes for the 17 recordings. The value represents the difference between the first period and the second period in the title. For instance, in MTI-PRE, a positive value indicates an increase in the variable during MTI compared to PRE. Significance was determined using a permutation test, where p-values < 0.05 indicated significant changes and were marked with an *
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