Fig 1.
The biological relationship between the stated target condition (blue), unobserved states (grey), and test results (green) for 4 different tests on separate stool samples.
The approximate case definition is circled in red.
Fig 2.
The target condition (blue), unobserved states (grey), test results (green), and approximate case definition (red circle) for 2 egg counting methods based on separate stool samples (a) or the same stool sample (b).
Fig 3.
The target condition (blue), unobserved states (grey), test results (green), and approximate case definition (red circle) for Kato-Katz, coproantigen, and antibody tests.