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Table 2 Results of physiological intervention effects and periodic effects. Values are given in median and interquartile range, as p-value and effect sizes (r)

From: Feasibility and effectiveness of thoracic spine mobilization on sympathetic/parasympathetic balance in a healthy population - a randomized controlled double-blinded pilot study

 

Period 1

Period 2

Intervention effect

p / r

Period effect

p / r

Group 1: HRV HF

907 (422–1891)

1567 (789–1893)

− 172 (− 1290–266)

0.025*

0.65

−172 (− 1290–266)

0.109

0.46

Group 2: HRV HF

2627 (834–6801)

950 (429–2699)

1237 (237–3555)

236 (1237–3556)

Group 1: HRV ratio LF/HF

94 (75–273)

88 (67–113)

29 (− 12–155)

0.016*

0.70

29 (−12–155)

0.423

0.23

Group 2: HRV ratio LF/HF

52 (30–109)

156 (36–209)

−86 (− 109 - -12)

−1237 (−3555 - -237)

Group 1: HR

61.25 (58.00–70.21)

59 (52.25–68.23)

4.78 (3.32–8.15)

0.006*

0.78

4.78 (3.32–8.15)

0.423

0.23

Group 2: HR

53.50 (52.62–62.75)

58.14 (54.11–63.89)

- 3.19 (−6.02–1.28)

3.19 (−1.28–6.02)

  1. Legend: HRV- HF heart rate variability high frequency, HRV ratio LF/HF heart rate variability ratio low frequency/high frequency, HR heart rate frequency
  2. * significant < 0.05