Concentration of Zinc, Copper, Selenium, Manganese, and Cu/Zn Ratio in Hair of Children and Adolescents with Myopia

Table 7

Spearman’s rank correlation coefficients for myopic patients.

	Zn	Cu	Se	Mn	Cu/Zn ratio
Age	0.10	0.21	−0.09	−0.09	0.11
Zn	1.00	0.15	−0.31	0.09	−0.34
Cu	—	1.00	−0.04	−0.06	0.85
Se	—	—	1.00	0.03	0.15
Mn	—	—	—	1.00	−0.06
Cu/Zn ratio	—	—	—	—	1.00

Statistically significant correlation at 0.05 significance level.