Table 2 Linearity under dilution for the automated measurement of adenosine deaminase isoenzyme 2 (ADA2). Results were obtained from two pools of serum from dogs and pigs and two pools of saliva from dogs, horses, pigs and cows with high and low ADA2 activity

3.90

1.14 ± 0.07

−0.04 ± 0.08

0.98

< 0.001

0.64

1.35 ± 0.15

−0.02 ± 0.03

0.95

< 0.001

1.79

1.14 ± 0.10

−0.01 ± 0.05

0.95

< 0.001

0.98

1.16 ± 0.14

−0.01 ± 0.05

0.94

< 0.01

4.77

1.00 ± 0.12

−0.15 ± ± 0.17

0.91

< 0.001

0.66

1.02 ± 0.05

0.05 ± 0.04

0.99

< 0.001

6.06

1.02 ± 0.03

0.00 ± 0.05

0.99

< 0.001

0.67

1.04 ± 0.13

−0.04 ± 0.04

0.92

< 0.001

4.30

1.38 ± 0.06

−0.35 ± 0.07

0.99

< 0.001

0.91

1.34 ± 0.13

−0.21 ± 0.06

0.95

< 0.001

2.20

1.65 ± 0.14

0.06 ± 0.09

0.96

< 0.001

0.56

1.41 ± 0.21

−0.05 ± 0.04

0.92

< 0.01