Table 3. Results of Photoplethysmography (n=14).

Clinical values	Pre, mean±SD	Post, mean±SD	p value
ANS activity	6.54±1.11	7.08±0.71	0.219
PNS activity	5.21±0.92	5.63±0.95	0.197
SNS activity	5.07±1.22	5.49±0.72	0.072
ANS balance	48.87±4.34	49.45±4.90	0.007†
HRV index	10.31±5.07	12.81±3.74	0.230
Stress	47.17±6.70	45.58±10.25	0.022*

ANS, autonomic nervous system; HRV, heart rate variability; PNS, parasympathetic nervous system; SD, standard deviation; SNS, sympathetic nervous system.

^*p<0.05; ^†p<0.001.