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Table 5 Serum electrolyte levels in DM subjects stratified by eGFR.

From: Serum electrolyte levels in relation to macrovascular complications in Chinese patients with diabetes mellitus

Electrolyte levels eGFR (ml · min- · 1.73 m-2) P-value
Mildly decreased (Group I) (n = 81) Normal (Group II)
(n = 186)
Elevated (Group III) (n = 76) All I vs. II II vs. III I vs. III Linear trend
Na+ (mmol/L) 141.8 ± 2.1 141.1 ± 2.5 140.1 ± 2.1 <0.01 0.114 0.006 <0.001 <0.01
K+ (mmol/L) 4.36 ± 0.38 4.23 ± 0.36 4.22 ± 0.35 0.02 0.022 1.000 0.052 0.02
Ca2+ (mmol/L) 2.36 ± 0.11 2.35 ± 0.11 2.36 ± 0.09 0.82 1.000 1.000 1.000 0.90
Mg2+ (mmol/L) 0.90 ± 0.08 0.88 ± 0.08 0.84 ± 0.10 <0.01 0.308 0.003 <0.001 <0.01
  1. Descriptive values are expressed as the mean ± standard deviation. Differences are assessed using one-way ANOVA. Bonferroni correction is applied for multiple testing. Linear trends of electrolyte levels within groups were tested.
  2. Abbreviations: eGFR Estimated glomerular filtration rate, NGR Normal glucose regulation, IGR Impaired glucose regulation, DM Diabetes mellitus, Na Sodium, K Potassium, Ca Calcium, Mg Magnesium.