Table 2.

Spearman’s R coefficient for the linear correlation of the perfusion percent change (provocation-baseline) for both LDF and PPG techniques in both protocols (*p < 0.05).

Component		Massage (Group 1)	Hyperoxia (Group 2)
Cardiac	R	0.589	−0.093
	p	<0.001*	0.599
Respiratory	R	0.562	0.057
	p	<0.001*	0.750
Myogenic	R	0.279	0.134
	p	0.034*	0.451
Sympathetic	R	0.066	0.278
	p	0.622	0.112
Endothelial NOd	R	0.127	0.388
	p	0.341	0.023*
Endothelial NOi	R	0.172	0.378
	p	0.197	0.028*