TABLE 3.
Difference in Heart rate and HRV indicators during recovery after step test by group (M ± SD, N = 40).
| Variables | Group I (n = 26) | Group II (n = 14) | T | P |
| Post-HRV | ||||
| Post-SDNN (ms) | 52.7811.65 | 45.169.81 | 2.08 | 0.04* |
| Post-RMSSD (ms) | 41.0218.65 | 43.0318.86 | −0.32 | 0.75 |
| Post-LF (ms2) | 56.6213.63 | 55.4314.04 | 0.26 | 0.80 |
| Post-HF (ms2) | 48.6914.85 | 43.7914.37 | 1.01 | 0.32 |
| Post-LF/HF | 1.220.35 | 1.350.34 | −1.05 | 0.30 |
| HR (recovery) | ||||
| HR(1) | 108.3512.90 | 111.5016.55 | 1.45 | 0.16 |
| HR(2) | 103.3812.94 | 98.5015.30 | 1.07 | 0.29 |
| HR(3) | 98.1212.63 | 93.2113.48 | 1.14 | 0.26 |
| Step index | 58.497.51 | 56.534.46 | 0.89 | 0.38 |
Post denotes 5–10 min at recovery after the step test; recovery denotes the recovery period after the step test; HR(1) denotes the heart rate of 1–1.5 min at recovery; HR(2) denotes the heart rate of 2–2.5 min at recovery; HR(3) denotes the heart rate of 3–3.5 min at recovery; ∗ denotes P < 0.05.