Establishment and Verification of Sex- and Age-Specific Serum Electrolyte Reference Intervals in Healthy Han Children in Changchun, Northeastern China

Figure 2

Trends in serum K (a, b), Na (c, d), Cl (e, f), Ca (g, h), and P (i, j) levels in healthy males (a, c, e, g, i) and females (b, d, f, h, j) with age (n = 1391). Individual data are presented as dots. P stands for percentile. P2.5 presents as 2.5th value of the group; P25 presents as 25th value of the group; P50 presents as 50th value of the group; P75 presents as 75th value of the group; P97.5 presents as 97.5th value of the group.

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