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. 2014 Feb 18;7:72. doi: 10.1186/1756-3305-7-72

Table 1.

Serological results of 39 dogs naturally infected with Angiostrongylus vasorum (as diagnosed with positive Baermann-Wetzel analysis) tested with the Angio Detect™ Test (IDEXX Laboratories) and with an ELISA for detection of circulating antigen[18]

 
Antigen-ELISA 2
Angio-detect™ 1
Negative
+
++
+++
Total
  (< 0.159) (0.159-0.350) (0.351-0.800) (>0.800)  
Negative
2
4
 
 
6
+
 
 
1
3
4
++
 
 
 
8
8
+++
 
 
 
21
21
Total 2 4 1 32 39

1negative = no coloration, + = slight, visible coloration, ++ = good visible coloration, +++ = intensive coloration (see Figure  1).

2ELISA-results categorized based on optical density values (given in brackets).