Table 4. Canonical correlation analysis summary of the relationship between recovery indicators and pre-match HRV-related variables of badminton players.
Canonical correlation (Rc): 0.975; ChiĀ²(72) = 91.25; p = 0.063
Left set Right set
Number of variables 9 8
Variance extracted 85.23% 100.00%
Total redundancy 32.53% 51.12%
Variables 1 Sleep Duration Mean RR
2 Sleep Quality Ln-RMSSD
3 Shade of Urine Ln-HFnu Power
4 STEMS Anger Peak VLF (Hz)
5 STEMS Confusion Peak HF (Hz)
6 STEMS Energy index VLF Power (%)
7 STEMS Tension LF Power (%)
8 STEMS Vigour Ln-LFnu/Ln-HFnu
9 Muscle Soreness