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Table 1 Sample populations employed for diagnostic accuracy and cross-reactivity studies (group 1–2) and field testing of urinary OV-RDT (group 3)

From: Accuracy of a new rapid diagnostic test for urinary antigen detection and assessment of drug treatment in opisthorchiasis

Study population

Group

Sample number

OV+

OV−

Sampling/diagnostic method

Purpose

1

493

243

250

FECT

Accuracy of OV-RDT

2

96

0

96

Helminth infectionsa

Cross-reactivity studies

3

1629

866

763

Baseline and follow up post treatment

Field trial and evaluation of drug treatment

  1. OV, Opisthorchis viverrini; OV-RDT, Opisthorchis viverrine-rapid diagnosis test; FECT, Formalin-ethyl acetate concentration technique
  2. aOther helminths included Strongyloides stercoralis, minute intestinal flukes (MIFs), hookworms, Taenia spp., Echinostoma sp. and Trichuris trichiura