Table 3.
Agreement between the different diagnostic methods
| UCP-LF CAA | ||||
| Kato-Katz (6×) | Positive | Negative | Total | Kappa |
| Positive | 12 | 3 | 15 | |
| Negative | 76 | 287 | 363 | |
| Total | 88 | 290 | 378 | 0.18 |
| POC-CCA | ||||
| Kato-Katz (6×) | Positive | Negative | Total | Kappa |
| Positive | 10 | 5 | 15 | |
| Negative | 31 | 332 | 363 | |
| Total | 41 | 337 | 378 | 0.32 |
| UCP-LF CAA | ||||
| POC-CCA | Positive | Negative | Total | Kappa |
| Positive | 23 | 65 | 88 | |
| Negative | 18 | 272 | 290 | |
| Total | 41 | 337 | 378 | 0.24 |
CCA = circulating cathodic antigen; POC = point-of-care; UCP-LF CAA = up-converting phosphor lateral flow circulating anodic antigen. Trace POC-CCA and indecisive UCP-LF CAA considered negative.