Heart Rate Variability and Cardiovascular Reflex Tests for Assessment of Autonomic Functions in Preeclampsia

Figure 3

Comparison of spectral components of heart rate variability in 3 groups of subjects; PE, preeclampsia; NP, normotensive pregnant; NN, normal nonpregnant. (a) Total spectral power; (b) LF, low frequency power; (c) HF, high frequency power; (d) LF to HF ratio. Values are mean ± SD (n=40). p < 0.05 versus normal nonpregnant females; p< 0.05 versus normotensive pregnant females.

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