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Table 3 Preoperative and postoperative electrolyte values of knee arthroscopy

From: Variations in postoperative electrolyte concentrations and influential factors in hip arthroscopy

  Pre-op Post-op MeanΔ P Value
Median Range Median Range
K+ 4.09 3.64–4.58 3.91 3.30–4.27 -0.186 .114
Na+ 142.85 137.30–145.60 141.68 137.60–144.80 -1.170 .203
Cl 103.90 100.40–108.30 106.88 103.60–109.70  + 2.980 .005
Mg2+ 0.90 0.76–1.01 0.89 0.82–0.98 -0.009 .574
CO2CP 28.10 24.30–30.90 25.96 22.60–29.00 -2.140 .013
  1. Abbreviations: meanΔ difference between preoperative value and postoperative value, Na+ sodium, K+ potassium, Cl chloride, Mg2+ magnesium, CO2CP carbon dioxide capacity