Table 4.

Significant correlations between sex and tissue indices at different body sites for skin areas with ITA > 55°.

Indices	Body site	N male	Mean tissue index male	N female	Mean tissue index female	p-value
NIR-index [a.u.]	Forearm left	39	49	44	46	0.042
	Forearm right	37	50	45	44	0.001
	Dorsum of hand right	30	60	41	54	< 0.001
	Palm left	29	57	41	54	0.017
	Palm right	30	58	41	52	< 0.001
	Heel right	34	57	28	60	0.032
StO2 [%]	Forearm left	39	54	44	46	< 0.001
	Forearm right	37	55	45	47	< 0.001
	Dorsum of hand right	30	60	41	54	0.033
	Palm right	30	69	41	64	0.033
	Neck	23	69	39	58	< 0.001
	Lumbar back left	37	56	41	45	< 0.001
	Lumbar back right	34	55	44	44	< 0.001
	Abdomen	38	46	46	40	0.001
	Heel right	34	63	28	70	0.009
TWI [a.u.]	Palm left	29	47	41	49	0.016
	Abdomen	38	46	46	48	0.03