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Table 3 Intra- and inter-assay CVs obtained from replicate CRP measurements with the POCT

From: Evaluation of a novel quantitative canine species-specific point-of-care assay for C-reactive protein

Three CRP concentration ranges / analyzer

Doga

Intra-assay CV

(n = 10 replicates)

Inter-assay CV

(n = 7 replicates)

Mean

(mg/l)

SD

(mg/l)

CV

(%)

Mean

(mg/l)

SD

(mg/l)

CV

(%)

≥ 10 - <  50 mg/l

1

21.3

4.7

21.8

23.2

6.3

27.2

2

43.1

2.3

5.4

32.3

2.0

6.2

3

23.1

3.7

16.3

15.4

0.8

5.0

4

29.9

4.0

13.2

32.2

2.8

8.8

≥ 50 - <  100 mg/l

5

55.7

3.0

5.5

71.0

7.6

10.7

6

79.8

4.7

5.9

74.4

5.5

7.3

≥ 100 - < 200 mg/l

7

113.9

7.4

6.5

102.4

7.2

7.0

8

113.9

9.1

8.0

110.5

11.1

10.0

  1. aSamples from different dogs were used for assessment of intra- and inter- assay CV
  2. CV > CVdes (i.e., 12.2%) and CV > CVmin (i.e., 18.2%) is shown in bold letters
  3. Abbreviations: SD standard deviation, CV coefficient of variation, CV des desirable CV, CV min minimally acceptable CV