Table 3.

Heart Rate Variability. Difference from baseline for both stimulus-based and percept-based analyses.

Heart Rate Variability Change from Baseline (LF / HF Ratio)
Stimulus-Based Analysis
II	III	IV
−0.06±0.98 a.u. (n.s.)	0.87±1.57 a.u. (n.s.)	0.24±0.96 a.u. (n.s.)
Percept-Based Analysis
“0-to-1”	“1-to-2”	“2-to-3”
0.76±1.36 a.u. (n.s.)	1.54±2.11 a.u. (*)	2.57±3.49 a.u. (*)

⁺0.05<p<0.1

^*0.01<p<0.05

^**0.001<p<0.01

^***p<0.001

n.s. = not significant