Table 2. Agreement between the different diagnostic techniques for the detection of STHs and S. mansoni.
| Parasite | Techniques compared | Cohen’s Kappa (κ) | Fleiss’ Kappa (κ)* |
|---|---|---|---|
| Hookworm | KK vs FES | 0.944 | |
| KK vs MM | 0.854 | 0.887 | |
| MM vs FES | 0.860 | ||
| A. lumbricoides | KK vs FES | 0.935 | |
| KK vs MM | 0.794 | 0.843 | |
| MM vs FES | 0.791 | ||
| T. trichiura | KK vs FES | 0.845 | |
| KK vs MM | 0.629 | 0.694 | |
| MM vs FES | 0.698 | ||
| S. mansoni | KK vs FES | 0.841 |
KK = Kato-Katz direct fecal smear; MM = McMaster counting technique; FES = Formalin-Ether Sedimentation.
*Used for the comparison of all three techniques.