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Table 5 Correlation between the domains of VHI and the exponents of fractal heart rate variability

From: Vocal complaint in physical education teachers and its association with the cardiovascular system

  Functional Organic Emotional
  r p r p r p
Alpha-1 -0.05 0.80 0.11 0.62 0.05 0.81
Alpha-2 0.12 0.59 0.20 0.39 0.14 0.54
Alpha-1/Alpha-2 -0.07 0.75 0.00 0.99 -0.06 0.79
  1. VHI: Vocal handcap index.