Skip to main content

Table 2 Statistical results of four in-clinic antigen tests for Giardia using DFA as the reference standard with calculated sensitivity and specificity

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

In-clinic test Sensitivity (95% CI) Specificity (95% CI) Prevalence adjusted % agreementa
SNAP Giardia 87.1 (79.1–92.5) 93.4 (85.2–97.5) 93.1
Anigen Rapid CPV-CCV-Giardia Antigen Test 80.2 (71.3–86.9) 80.3 (69.8–87.8) 80.3
Witness Giardia Test 73.3 (63.9–81.0) 71.1 (60.0–80.1) 71.2
VetScan Canine Giardia Rapid Test 70.00 (60.4–78.1) 85.5 (75.7–91.9) 84.7
Ova and Parasite Test 81.2 (72.4–87.7) 93.4 (85.2–97.5) 92.7
  1. aPercent agreement was adjusted for reported prevalence of infection determined by DFA as described in materials and methods