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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