Research Article

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

Table 3

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

ParasiteFECKato-Katz Total agreement ( )
PositiveNegative

S. mansoni Positive85 5850.58 ( )
Negative62 202264

Total 147 207354

A. lumbricoides Positive75 8830.80 ( )
Negative18 253271

Total 93 261354

T. trichiura Positive31 6370.59 ( )
Negative28 289317

Total 59 295354

Hook wormPositive12 9210.57 ( )
Negative7 326333

Total 19 335354

FEC: formol-ether concentration.