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Table 2 Results from blood lactate measurement and various laboratory parameters analysed in the pyometra and control groups.

From: Blood lactate levels in 31 female dogs with pyometra

 

Pyometra group

mean ± SD. (range)

n

Control group

mean ± SD. (range)

n

p-value (Mann-Whitney/t-test)

Reference Value#

Lactate

1.3 ± 0.56

(<0.8–2.7)

31

1.2 ± 0.46

(<0.8–2.1)

16

0.603

0.9–1.7

pH

7.40 ± 0.04

(7.33–7.51)

27

7.36 ± 0.04

(7.28–7.42)

16

0.006*

7.31–7.41

pvCO2 (kPa)

3.98 ± 0.67

(3.03–5.40)

27

5.02 ± 0.72

(3.95–6.15)

16

0.000*

5.47–6.80

pO2 (kPa)

9.4 ± 6.3

(4.4–27.1)

26

7.5 ± 3.6

(4.1–19.3)

16

0.293

NA

BE.B (mmol l-1)

-5 ± 2

(-9)-0

27

-3 ± 3

(-6)-(+5)

16

0.028*

(-2)-(+3)

HCO3 (mmol l-1)

18.6 ± 2.6

(15–24.2)

25

21 ± 2

(18.2–24.8)

16

0.001*

21–27

TCO2 (mEq l-1)

19 ± 3

(15–25)

24

22 ± 2

(19–26)

16

0.001*

17–25

sO2 (%)

85 ± 12

(66–100)

23

82 ± 11

(59–99)

16

0.451

95–98

Na (mmol l-1)

140 ± 2

(136–152)

27

142 ± 2

(139–144)

16

0.914

138–146

K (mmol l-1)

4 ± 0.3

(3.5–4.6)

27

4.1 ± 0.2

(3.6–4.4)

16

0.111

3.5–4.9

iCa (mmol l-1)

1.30 ± 0.08

(1.14–1.43)

27

1.33 ± 0.05

(1.24–1.41)

14

0.040*

1.12–1.32

Glu (mmol l-1)

5.2 ± 0.9

(4.1–7.4

28

5.1 ± 0.6

(4.0–6.3)

16

0.336

3.6–6.7

PCV (%)

37 ± 8

(22–48)

27

41 ± 5

(31–49)

16

0.003*

38–51

Hb (g/L)

(via PCV)

124 ± 28

(75–163)

27

141 ± 18

(105–167)

16

0.003*

120–170

  1. pvCO2 = partial pressure of carbon dioxide in the blood (venous), pO2 = partial pressure of oxygen in the blood, BE.B = base excess, HCO3 = bicarbonate, TCO2 = total carbon dioxide, sO2 = oxygen saturation, Na = sodium, K = potassium, iCa = ionized calcium, Glu = glucose, PCV = packed cell volume, Hb = hemoglobin. *Statistically significant difference.# = Reference values for dogs from iSTAT® manufacturer. NA = not available.