Table 8.

Correlation between minerals in serum and hair in control and diabetic subjects

Parameter		Fe hair		Zn hair		Cu hair		Cu/Zn hair
		r	p	r	p	r	p	r	p
Fe serum	Control	− 0.420	0.021	− 0.153	ns	− 0.001	ns	− 0.085	ns
	Diabetic	− 0.809	0.014	0.095	ns	0.048	ns	0.042	ns
Zn serum	Control	0.099	ns	0.109	ns	0.163	ns	0.003	ns
	Diabetic	− 0.208	ns	0.008	ns	0.159	ns	0.439	ns
Cu serum	Control	0.122	ns	0.259	ns	− 0.132	ns	− 0.336	ns
	Diabetic	− 0.330	ns	− 0.110	ns	− 0.223	ns	− 0.043	ns
Cu/Zn serum	Control	0.076	ns	0.076	ns	− 0.169	ns	− 0.226	ns
	Diabetic	− 0.008	ns	− 0.077	ns	− 0.371	ns	− 0.546	0.013

r Spearman’s rank correlation coefficient, p probability value for correlation, ns non-significant