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Table 3 Linear least squares fitting results for hair element concentrations in the under-25 years subgroup

From: Age- and sex-dependence of five major elements in the development of human scalp hair

ElementInterceptSlopeR2, %
S38,889 (±165)10 (±12)0.2
Ca180 (±35.6)29.1 (±2.6)52.8
Mg17.1 (±3.8)2.92 (±0.28)49.8
Zn112.3 (±5.4)2.19 (±0.40)21.0
Cu12.9 (±2.1)0.64 (±0.15)13.5