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Table 1 Description of the diagnostics assessed

From: Latent class analysis to evaluate performance of point-of-care CCA for low-intensity Schistosoma mansoni infections in Burundi

Short code

Diagnostic

Where assessed

Sample used

Metric

Definition of positive

KK

Kato-Katz

Schools in Burundi

2 × 1/24th g slides from a single stool sample

Number of S. mansoni eggs detectable by visual microscopy

Any S. mansoni egg found in either slide

CCABtn

Point-of-care circulating cathodic antigen

Schools in Burundi (CCAB)

Urine sample

Intensity of band against reference

1/2/3

CCABtp

Point-of-care circulating cathodic antigen

Schools in Burundi (CCAB)

Urine sample

Intensity of band against reference

trace/1/2/3

CCALtn

Point-of-care circulating cathodic antigen

Laboratory in Leiden (CCAL)

Urine sample

Intensity of band against reference

1/2/3

CCALtp

Point-of-care circulating cathodic antigen

Laboratory in Leiden (CCAL)

Urine sample

Intensity of band against reference

trace/1/2/3

CAA

Up-converting phosphor-lateral flow circulating anodic antigen

Laboratory in Leiden

Urine sample

Laboratory test reader (strip scanner)

≥ 1 pg CAA/ml urine