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 |