Categories | n | WMD (95% CI), beats/minute | p Value |
Rest | |||
⩽2 weeks | 89 | 4.49 (−2.22 to 6.75) | 0.0001 |
>2 weeks | 155 | 0.27 (−1.16 to 1.96) | 0.62 |
Overall effect | 244 | 1.99 (0.58 to 3.41) | 0.006 |
Submaximal exercise | |||
⩽2 weeks | 61 | −1.25 (−4.87 to 1.58) | 0.39 |
>2 weeks | 132 | −3.59 (−5.87 to −1.31) | 0.002 |
Overall effect | 193 | −2.61 (−4.39 to −0.84) | 0.004 |
Maximal exercise | |||
⩽2 weeks | 26 | −7.47 (−12.21 to −2.74) | 0.002 |
>2 weeks | 163 | −3.62 (−5.60 to −1.64) | 0.0003 |
Overall effect | 189 | −4.19 (−6.02 to −2.36) | <0.00001 |
HR, heart rate; HRV, heart rate variability; HF, high frequency; LF, low frequency; WMD, weighted mean difference.