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Table 4 Mean and standard-deviation for alpha-1, alpha-2 values and alpha-1/alpha-2 ratio before and after the orthostatic test

From: Fractal correlation property of heart rate variability in response to the postural change maneuver in healthy women

Index Control 0-5 min 5-10 min 10-15 min p
Alpha-1 1 ± 0.06 *1.3 ± 0.03 *1.4 ± 0.02 *1.4 ± 0.02 0.019
Alpha-2 0.89 ± 0.2 0.91 ± 0.2 0.95 ± 0.19 0.91 ± 0.3 0.5
Alpha-1/Alpha-2 1.53 ± 0.6 1.69 ± 0.5 1.7 ± 0.32 1.79 ± 0.8 0.06
  1. *p < 0.05: Vs. Control.