Research Article

Comparison of the Kato-Katz, Wet Mount, and Formol-Ether Concentration Diagnostic Techniques for Intestinal Helminth Infections in Ethiopia

Table 4

Agreement between a single Kato-Katz and wet mount for the diagnosis of each intestinal parasite in students from Atse Fasil General Elementary School, Northwest Ethiopia, March 10–June 30, 2008.

ParasiteWet mount Kato-Katz Totalκ agreement ( )
PositiveNegative

S. mansoni Positive331340.25 ( )
Negative114206320

Total 147207354

A. lumbricoides Positive503530.61 ( )
Negative43258301

Total 93261354

T. trichiura Positive8080.21 ( )
Negative51295346

Total 59295354

Hook wormPositive101110.65 ( )
Negative9334343

Total 19335354