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Table 2 Blood parameters at admission (T = 0) and 12-24 hours after (T = 24) in control (n = 8) and colic (n = 22) horses

From: Cardiac arrhythmias and electrolyte disturbances in colic horses

 

Lab reference value

Control (n = 8)

Colic (n = 22)

  

T = 0

T = 24

T = 0

T = 24†

 

Range

Mean

SD

Range

# horses

Mean

SD

Range

# horses

Mean

SD

Range

# horses

Mean

SD

Range

# horses

K + (mmol/L)

3.0-5.0

4.3

0.38

3.9-5.1

1 (>)

3.6

0.62

2.2-4.1

1 (<)

3.4

0.38

2.6-4.3

1 (<)

3.3

0.92

2.8-3.6

2 (<)

Na + (mmol/L)

132-146

138

1.05

136-139

0

139

1.51

136-141

0

136

2.70

130-139

2 (<)

137

35.43

136-140

0

iCa 2+ (mmol/L)

1.4-1.7

1.7

0.04

1.6-1.8

1 (>)

1.7

0.07

1.5-1.8

1 (>)

1.4

0.13

1.2-1.7

8 (<)

1.5

0.41

1.4-1.7

0

tMg 2+ (mmol/L)

0.74-1.20

NA

NA

NA

0

NA

NA

NA

0

0.71*

0.27*

0.49-1.71*

13 (<)

NA

NA

NA

NA

Cl - (mmol/L)

98-110

103

1.94

99-106

0

102

2.10

98-104

0

97

3.26

90-104

11 (<)

102

26.48

95-105

1 (<)

Glucose (mmol/L)

4.2-6.4

5.2

0.29

4.7-5.6

0

5.1

0.48

4.3-5.7

0

8.4

2.36

4.9-12.3

16 (>)

7.3

2.78

5-13.3

9 (>)

L-Lactate (mmol/L)

< 1.5

0.7

0.16

0.5-0.9

0

0.5

0.15

0.3-0.7

0

3.2

3.58

0.6-16

14 (>)

2.1

3.18

0.6-12.4

3 (>)

PCV (%)

32-50

35

2.76

32-40

0

37

4.91

31-47

0

39

7.75

24-60

1 (>)

34

6.08

27-46

0

pH

7.32-7.46

7.37

0.02

7.35-7.40

0

7.38

0.02

7.36-7.42

0

7.38

0.05

7.23-7.45

2 (<)

7.36

0.07

7.30-7.41

2 (<)

  1. Mean, ± SD. Range for potassium (K+), sodium (Na+), ionized calcium (iCa2+), total magnesium (tMg2+), chloride (Cl-), glucose, and L-lactate. # horses denotes the number of horses that are outside the reference value. The brackets (<) or (>) indicate whether the values are below or above the reference values.
  2. SD standard deviation, *n = 17, † n = 14, NA not available.