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Table 2 Changes in HRV between Placebo and OFI group after the cycle ergometer test

From: Redox and autonomic responses to acute exercise-post recovery following Opuntia ficus-indica juice intake in physically active women

  Group Pre test Post test 24 h-post test 48 h-post test
LF (ms2) Placebo 66.86 ± 7.09 66.21 ± 8.04 66.91 ± 8.20a 65.12 ± 3.87
OFI 62.79 6.04c 66.90 ± 10.37d 52.83 ± 4.47acd 58.11 ± 5.78
HF (ms2) Placebo 33.00 ± 7.03 28.74 ± 2.72 32.98 ± 8.20 33.02 ± 4.46
OFI 33.38 ± 3.52 34.31 ± 9.31 31.39 ± 4.39 36.81 ± 8.54
LF/HF Placebo 2.15 ± 0.69 2.32 ± 0.33 2.20 ± 0.83 2.01 ± 0.33
OFI 1.90 ± 0.26 2.11 ± 0.68 1.71 ± 0.23 1.69 ± 0.58
RMSSD Placebo 51.68 ± 7.40 42.18 ± 9.64 46.55 ± 9.20 45.53 ± 7.93b
OFI 59.40 ± 8.44e 48.63 ± 6.18ef 54.85 ± 9.44 58.48 ± 7.84bf
  1. All data are presented as means±SD. LF Low Frequency, HF High Frequency, LF/HF Low-high frequency ratio; rMSSD Root Mean Square of the Successive Differences. a,b,c,d,e and f denote significant differences (p < 0.05) between groups and within the same group