Comparative performance of reference laboratory tests and in-clinic tests for Giardia in canine feces

Parasites & Vectors

Table 3 Statistical results of four in-clinic antigen tests for Giardia using ProSpecT ELISA Giardia Test as the reference standard with calculated positive and negative percent agreement

In-clinic test	% Positive agreement (95% CI)	% Negative agreement (95% CI)	Prevalence adjusted % agreement^a
SNAP Giardia	91.8 (84.4–96.0)	95.0 (87.5–98.4)	94.8
Anigen Rapid CPV-CCV-Giardia Antigen Test	80.4 (71.3–87.2)	77.5 (67.1–85.4)	77.7
Witness Giardia Test	77.3 (68.0–84.6)	73.8 (63.1–82.2)	74.0
VetScan Canine Giardia Rapid Test	72.9 (63.2–80.8)	86.3 (76.9–92.3)	85.6

^aPercent agreement was adjusted for reported prevalence of infection determined by DFA as described in materials and methods

ISSN: 1756-3305