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Table 3 Reference limits and their CIs for haematology analytes; n indicates the number of reference individuals after the removal of outliers, CI width describes the width of the lower and upper reference limit in comparison to the width of the RIs

From: Application of the ASVCP guidelines for the establishment of haematologic and biochemical reference intervals in Icelandic horses in Austria

Analyte

Number

Reference interval

CI lower reference limit

CI upper reference limit

CI width ratios

LRL/URL

Haematocrit

132

0.29–0.39

0.29–0.29

0.38–0.40

0.0 / 0.2

RBC

136

5.79–8.63

5.48–5.98

8.46–8.68

0.2 / 0.1

Haemoglobin

134

102.0–142.3

100.0–103.0

137.0–145.0

0.1 / 0.2

Hct/Hb

131

2.72–2.88

2.69–2.74

2.87–2.89

0.3 / 0.1

MCHC

137

347.0–366.6

346.0–349.0

364.0–369.0

0.2 / 0.3

MCH

139

14.9–18.3

14.4–15.0

18.0–18.8

0.2 / 0.2

MCV

138

42–51

41–43

50–52

0.2 / 0.2

CH

137

151.9–184.1

148.0–155.0

181.0–187.0

0.2 / 0.2

CHCM

137

349.9–375.6

348.0–352.0

374.0–381.0

0.2 / 0.2

RDW

139

16.8–19.6

16.3–16.9

19.1–19.8

0.2 / 0.3

WBC

138

4.13–8.57

3.63–4.23

8.20–8.83

0.1 / 0.1

Platelets

135

146–263

140–156

256–282

0.1 / 0.2

MPV

138

6.1–10.9

6.1–6.3

10.0–11.3

0.0 / 0.3

Segs (%)

138

37.8–67.7

34.8–41.4

64.9–69.6

0.2 / 0.2

Segs (abs)

136

1.98–4.73

1.83–2.28

4.55–4.90

0.2 / 0.1

Lymphocytes (%)

136

25.7–52.1

21.4–27.4

50.9–54.2

0.2 / 0.1

Lymphocytes (abs)

132

1.25–3.49

1.01–1.40

3.19–3.70

0.2 / 0.2

Monocytes (%)

137

1.2–4.4

0.7–1.5

4.0–4.9

0.2 / 0.2

Monocytes (abs)

136

0.06–0.31

0.05–0.07

0.27–0.37

0.1 / 0.4

Eosinophils (%)

124

0.7–7.6

0.5–1.1

7.4–8.1

0.1 / 0.2

Eosinophils (abs)

123

0.04–0.50

0.03–0.07

0.48–0.52

0.1 / 0.1

Basophils (%)

139

0.1–1.0

0.1–0.2

0.8–1.1

0.1 / 0.3

Basophils (abs)

138

0.01–0.07

0.00–0.01

0.05–0.08

0.1 / 0.4

Large unstained cells (%)

139

0.1–0.5

0.0–0.1

0.4–0.6

0.3 / 0.5

Large unstained cells (abs)

138

0.00–0.03

0.00–0.01

0.03–0.04

0.2 / 0.3

MPXI

138

1.3–17.2

0.6–2.4

16.0–18.5

0.1 / 0.2

  1. Bold: ratio exceeded the desired maximum ratio (<0.2)
  2. CH cellular haemoglobin, CHCM corpuscular haemoglobin concentration, CI(s) confidence interval(s), Hb haemoglobin, Hct haematocrit, LRL lower reverence limit, MCH mean cellular haemoglobin, MCHC mean cellular haemoglobin concentration, MPV mean platelet volume, MP myeloperoxidase, MPXI myeloperoxidase index, PLT platelets, RBC red blood cells, RDW red blood cell distribution width, RI(s) reference interval(s), URL upper reference limit, WBC white blood cells
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Acta Veterinaria Scandinavica

ISSN: 1751-0147