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Table 1 Summary of analysed blood parameters compared to reference intervals

From: Establishment of a model for equine small intestinal disease: effects of extracorporeal blood perfusion of equine ileum on metabolic variables and histological morphology – an experimental ex vivo study

 Nmean (SD)median (range) reference intervals by Corley, 2008
Tp v (g/L)4571 (7)70 (61–85) 58–77
pH a447.3 (0.09)7.28 (7.1–7.43)7.36–7.44
pH v437.18 (0.07)7.18 (7.04–7.48)7.33–7.41
pCO2 a (mmHg)4348 (10)44 (34–67) 37–49
pCO2 v (mmHg)4166 (7)67 (50–79)46–64
pO2 a (mmHg)4082 (34)70 (45–172) 89–115
pO2 v (mmHg)3949.5 (17)46.2 (36.1–138.8) 28.7–48.6
HCO3 a (mmol/L)4323 (2)23 (19–27) 23–30
HCO3 v (mmol/L)4123.1 (4.9)23.6 (−5.5–29.9)31.6–37.7
BE a (mmol/L)43-4 (2)−3 (−9–0)−2-2
BE v (mmol/L)40−4.8 (2)−4.8 (− 9--1.3)6.4–12.3
PCV a (%)4227 (6)28 (13–41) 24–53
PCV v (%)4125 (8)24 (9–39) 24–53
Na+ a (mmol/L)44138.6 (3.8)138.3 (131.6–152) 137.7–142
Na+ v (mmol/L)43143.6 (3.8)143.5 (134.8–154)134.7–142
K+ a (mmol/L)445.6 (0.65)5.72 (4.46–6.95)3.53–4.64
K+ v (mmol/L)435.99 (1.15)5.6 (4.46–9.6)3.53–4.64
Ca2+ a (mmol/L)421.51 (0.07)1.51 (1.4–1.68) 1.45–1.73
Ca2+ v (mmol/L)411.54 (0.07)1.53 (1.42–1.71) 1.45–1.73
Cl a (mmol/L)44107.5 (3.1)107.5 (101.3–114)97.3–103.6
Cl v (mmol/L)43109.4 (3.2)110.4 (101.5–114.2)97.3–103.6
glucose a (mmol/L)416.3 (1.6)5.9 (4.2–10.6) 4.9–6.2
glucose v (mmol/L)438.4 (2.4)8.1 (5.6–18.9)4.9–6.2
lactate a (mmol/L)429.9 (2.9)9.7 (5.9–15.3)0.2–0.7
lactate v (mmol/L)4311.6 (2.7)11.4 (3–16.8)0.2–0.7
LDH v (U/L)45500 (125)449 (327–862) 225–700
  1. Results of blood gas analysis, electrolytes, and metabolic variables (total protein (Tp), partial pressure of carbon dioxide (pCO2), partial pressure of oxygen (pO2), bicarbonate (HCO3), base excess (BE), packed cell volume (PCV), sodium (Na+), potassium (K+), calcium (Ca2+), chloride (Cl), glucose, lactate, and lactate dehydrogenase (LDH)) of arterial (a) and venous (v) samples taken at 0, 60, 120, 180, and 240 min. Sample size (N), mean, standard derivation (SD), median, range, and reference intervals are presented. A maximum of 45 samples was used where all samples of all specimens were available, otherwise this number is smaller. Reference intervals are shown in the right column [18] and statistically significant (P < 0.05) differences are marked with an arrow up if they are higher or down if they are lower than reference intervals