Research Article

The Effect of Massage Therapy on Autonomic Activity in Critically Ill Children

Figure 2

Correlation between HF + LF values and clinical severity score in patients in pediatric intensive care unit. PELOD scores: Pediatric Logistic Organ Dysfunction scores; HF + LF: high and low frequency power of heart rate variability. The Spearman rank correlation coefficient ρ = −0.77, 95% CI: −0.91, −0.47; . In the figure, HRV data (-axis) have been logarithmically transformed (i.e., HRV data).