Table 5. Cohen’s kappa statistics (κ) to evaluate the agreement in the classification of STHs according to classes of intensity as determined by the Kato-Katz direct fecal smear (KK) and McMaster counting method (MM).
No. of children stratified by infection intensity | |||||
---|---|---|---|---|---|
Parasite | Negative | Light | Moderate | Heavy | Method |
Hookworm | 987 | 244 | 13 | 16 | KK |
1028 | 224 | 8 | 0 | MM | |
Proportions of Agreement (κ) | 0.94 | 0.70 | 0.11 | 0.00 | |
A. lumbricoides | 1008 | 94 | 121 | 37 | KK |
1080 | 88 | 90 | 2 | MM | |
Proportions of Agreement (κ) | 0.93 | 0.20 | 0.33 | 0.02 | |
T. trichiura | 1247 | 13 | 0 | 0 | KK |
1253 | 7 | 0 | 0 | MM | |
Proportions of Agreement (κ) | 0.99 | 0.43 | NA | NA |
NA: Not applicable