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Table 3 Assessing accuracy of the two screening tests in the identification of G6PD status

From: Evaluation of the phenotypic test and genetic analysis in the detection of glucose-6-phosphate dehydrogenase deficiency

Parameters MR test FS test
True positive 21/42 14/42
True negative 249/253 253/253
False positive 4/253 0/253
False negative 21/42 28/42
Sensitivity 50% 43%
Specificity 98% 100%
Positive predictive value 84% 100%
Negative predictive value 92% 91%