Diagnostic performance of reference laboratory tests on dried blood spots
Among the 48 HAT patients, 34/48 had a DBS and all 4 DBS test results were available for 33/34, while 1/34 HAT patient missed a LAMP result. Among the 66 RDT positive HAT negatives (Fig. Reference laboratory test results on dried blood spots. The Venn diagram shows the results of trypanolysis, ELISA/Table The diagnostic performance of reference laboratory tests on dried blood spot for diagnosis of human African trypanosomiasisThe individual diagnostic sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of trypanolysis (TL), ELISA/The TgsGp-qPCR was carried out on 19 DBS only, 13 from HAT patients and 6 from RDT positive HAT negatives. Among the tested HAT patients, TgsGp-qPCR sensitivity was 38.5% (5/13, 95% 