Table 2.

Concordance between coproparasitological techniques employed

Techniques	Kappa index (95% CI)
Infections with protozoa in general
Paratest® and direct wet mount	0.84 (0.69–0.99)
Paratest® and Ritchie	0.81 (0.68–0.94)
Direct wet mount and Ritchie	0.81 (0.68–0.94)
Infections with pathogenic protozoa
Paratest® and direct wet mount	0.75 (0.52–0.98)a
Paratest® and Ritchie	0.94 (0.82–1.00)
Direct wet mount and Ritchie	0.82 (0.62–1.00)
Infections with commensals
Paratest® and direct wet mount	0.87 (0.74–0.99)
Paratest® and Ritchie	0.76 (0.60–0.91)a
Direct wet mount and Ritchie	0.79 (0.65–0.94)a

^aDegree of agreement substantial or good, according to the classification by Landis and Koch