a positive trendp = 0.067
HRV (Δ = +6.92 ± 5.02, p = 0.0003) and cardiac coherence (Δ = +0.40 ± 0.35, p = 0.0015) also demonstrated statistically significant improvements, whereas CSS exhibited a positive trend (Δ = +0.011 ± 0.019 m/s, p = 0.067) without reaching statistical significance.