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Table 2 Mean and %CV of 3-BrY concentrations for each pooled canine serum sample (n = 10) when measured fresh or stored under different storage conditions (4°C for 7 days, −20°C for 60 days, and −80°C for 180 days)

From: Stability of 3-bromotyrosine in serum and serum 3-bromotyrosine concentrations in dogs with gastrointestinal diseases

Sample

Mean 3-BrY ± SD (μmol/L)

%CV

Fresh and 4°C

Fresh and −20°C

Fresh and −80°C

1

3.9 ± 1.3

8.5

14.4

9.1

2

4.7 ± 0.6

7.9

2.0

6.6

3

7.4 ± 1.4

3.0

14.8

4.2

4

7.6 ± 1.4

2.9

24.2

9.9

5

9.7 ± 0.9

4.0

30.3

6.3

6

10.3 ± 1.0

6.6

9.6

3.9

7

13.9 ± 1.5

3.5

13.3

4.3

8

15.5 ± 1.2

2.2

10.9

3.5

9

17.8 ± 0.8

3.6

3.5

4.3

10

19.8 ± 1.6

3.3

5.5

4.9