Fig. 3

Average PT results for 235 testers across 80 participating facilities. Data labels indicate percentage of testers who correctly identified aliquot content for each parasite density during the PT; that is, all testers (100%) correctly identified aliquots with parasite density 0 parasites/µl as negative, 1% of testers correctly identified aliquots with parasite density 100 parasites/µl as positive, 11% of testers correctly identified aliquots with parasite density 200 parasites/µl as positive, 63% of testers correctly identified aliquots with parasite density 500 parasites/µl as positive, and 93% of testers correctly identified aliquots with parasite density 1000 parasites/µl as positive.