Table 5 Serum electrolyte concentrations

[Na⁺]

RL*

137.3 ± 4.8

(134.2-140.4)

136.2 ± 4.7

(133.2-139.2)

135.8 ± 5.1

(132.5-139.0)

1.52 ± 1.65

ABIS

138.9 ± 2.5

(137.3-140.5)

138.3 ± 2.3

(136.8-139.7)

138.5 ± 2.7

(136.8-140.2)

0.35 ± 2.9

[K⁺]

RL*

3.5 ± 0.2

(3.4-3.7)

3.6 ± 0.3

(3.40-3.79)

3.7 ± 0.5

(3.38-4.01)

0.26 ± 0.52

ABIS*

3.5 ± 0.3

(3.31-3.70)

3.7 ± 0.3

(3.50-3.89)

3.7 ± 0.2

(3.57-3.82)

0.22 ± 0.31

[Cl^-]

RL*

101.8 ± 5.4

(99.0-104.8)

105.8 ± 5.0

(102.6-109.0)

107.5 ± 4.6

(104.6-110.4)

5.60 ± 2.4

ABIS

105.5 ± 3.3

(103.4-107.6)

108.4 ± 2.5

(106.8-110.0)

108.6 ± 2.2

(107.2-110.0)

3.08 ± 1.46

[Mg²⁺]

RL*

0.77 ± 0.1

(0.71-0.82)

0.69 ± 0.1#

(0.62-0.75)

0.66 ± 0.1#

(0.59-0.72)

0.11 ± 0.12

ABIS

0.83 ± 0.06

(0.79-0.87)

0.85 ± 0.04#

(0.82-0.87)

0.87 ± 0.04#

(0.84-0.89)

0.04 ± 0.06

[Ca²⁺]

RL

1.16 ± 0.04

(1.13-1.19)

1.16 ± 0.04

(1.13-1.18)

1.16 ± 0.02

(1.14-1.17)

0.00 ± 0.03

ABIS

1.17 ± 0.03

(1.15-1.19)

1.16 ± 0.03

(1.14-1.18)

1.16 ± 0.03

(1.14-1.17)

0.01 ± 0.02

[Lac^-]

RL*

0.8 ± 0.3

(0.66-1.07)

1.6 ± 0.6#

(1.21-1.98)

1.9 ± 0.7#

(1.45-2.34)

0.94 ± 0.69

ABIS

0.9 ± 0.4

(0.64-1.15)

0.8 ± 0.3#

(0.60-1.0)

0.8 ± 0.2#

(0.67-0.92)

0.12 ± 0.22

[PO₄^3-]

RL

3.5 ± 0.4

(3.21-3.78)

3.4 ± 0.4

(3.14-3.65)

3.3 ± 0.4

(3.04-3.55)

0.19 ± 0.32

(mg/dL)

ABIS

3.4 ± 0.5

(3.08-3.719

3.3 ± 0.5

(3.00-3.60)

3.4 ± 0.6

(3.02-3.78)

0.01 ± 0.28