Evidence-Based Complementary and Alternative Medicine / 2014 / Article / Tab 4

Review Article

Effect of Acupuncture on Heart Rate Variability: A Systematic Review

Table 4

A summary of the heterogeneity for random effect.

OutcomesNo. of studiesHeterogeneity Chi-sq testHiggins 2 test
All studiesHealthyNon-healthyAll StudiesHealthyNon-healthyAll studiesHealthyNon-healthy

HF97241.31 ( )16.99 ( )24.31 ( )64%35%#88%
LF76151.93 ( )47.44 ( )0.15 ( )77%79%0%
LF/HF ratio1192977.50 ( )913.49 ( )0.75 ( )98%99%0%
HF norm5532.35 ( )32.35 ( )78%78%NA
LF norm5515.39 ( )15.39 ( )55%55%NA
LI4 on HF20.00 ( )0%
LI4 on LF/HF ratio473.89 ( )93%
LI4 on HF norm226.62 ( )89%
LI4 on LF norm213.43 ( )78%
PC6 on HF3224.71 ( )24.31 ( )80%0%
PC6 on LF26.33 ( )53%
PC6 on LF/HF ratio6285.78 ( )0.75 ( )88%0%
PC6 on HF norm328.68 ( )86%
PC6 on LF norm315.22 ( )74%
ST36 on HF3233.34 ( )0.49 ( )88%0%
ST36 on LF27.39 ( )88%
ST36 on LF/HF ratio3108.59 ( )95%

Higgins 2 Test is ≤50%; fixed effect is used.

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