Table 1 Overall effect of overload intervention on heart rate and heart rate variability
CategoriesnOverall SMD, mean (95% CI)p Value
HR
    Rest2440.18 (−0.02 to 0.38)0.07
    Submaximal exercise193−0.27 (−0.50 to −0.03)0.03
    Maximal exercise189−0.38 (−0.59 to −0.17)0.0003
HRV
    LH+HF83−0.32 (−0.67 to 0.04)0.08
    LF/HF760.41 ((0.08 to 0.73)0.01
  • HR, heart rate; HRV, heart rate variability; HF, high frequency; LF, low frequency; SMD, standardised mean difference.