Table 7. Canonical correlation analysis summary of the relationship between recovery indicators and post-match HRV- and HRR-related variables of badminton players.
| Canonical correlation (Rc): 0.982; Chi²(81) = 98.94; p = 0.085 | 
|  | Left set | Right set | 
| Number of variables | 8 | 8 | 
| Variance extracted | 100.00% | 100.00% | 
| Total redundancy | 47.64% | 52.71% | 
| Variables 1 | Sleep Duration | Mean RR | 
| 2 | Sleep Quality | VLF Power (%) | 
| 3 | Shade of Urine | Ln-LFnu/Ln-HFnu | 
| 4 | STEMS Anger | Ln-RMSSD | 
| 5 | STEMS Confusion | HRR Post-Game | 
| 6 | STEMS Energy index | Peak HF (Hz) | 
| 7 | STEMS Tension | Peak VLF (Hz) | 
| 8 | STEMS Vigour | Ln-HFnu Power |