Group

IFAT Titer

ELISA O.D. (λ = 450 nm)

ANOVA

Sample ratio (1)

Sample ratio (2)

Sample ratio (3)

1

Negative (endemic area; n = 44)

0.127 ± 0.07

2

Negative (non-endemic area; n = 10)

0.092 ± 0.06

3

1:40 (n = 12)

0.168 ± 0.105

p > 0.05

0.30

0.62

0,79

4

1:80 (n = 17)

0.247 ± 0.175

p > 0.05

0.44

0.92

1.16

5

1:160 (n = 10)

0.306 ± 0.177

p > 0.05

0.54

1.14

1.44

6

1:320 (n = 9)

1.28 ± 0.52

p < 0.01

2.28

4.79

6.03

7

1:640 (n = 10)

2.27 ± 0.72

p < 0.01

4.05

8.5

10.7

8

≥1280 (n = 10)

Out of range

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Cut-off

1:320 (n = 3)

0.560 ± 0.163