Skip to main content

Advertisement

Table 1 Analysis of diagnostic assays for cutaneous leishmaniasis

From: Evaluation of rapid extraction and isothermal amplification techniques for the detection of Leishmania donovani DNA from skin lesions of suspected cases at the point of need in Sri Lanka

Diagnostic test Positive True negative False negative Sensitivity (%) Specificity (%) NPV (%) PPV (%)
SSS 30 57 63 32.2 100 47.5 100
SE-RPA 61 57 32 65.5 100 64.04 100
ATL-PCR 86 57 7 92.4 100 89.06 100
RNAlater PCR 59 57 34 63.4 100 62.64 100
  1. The total number of positive samples was 93 as determined by PCR. If any of these were found to be negative in a particular assay, it was considered as a false negative. NPV and PPV are negative and positive predictive values, respectively