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Table 2 Sensitivity, specificity and predictive values of Widal and stool culture in the diagnosing typhoid fever using blood culture as a standard method

From: Performance of Widal test and stool culture in the diagnosis of typhoid fever among suspected patients in Dar es Salaam, Tanzania

Test

Sensitivity (%)

Specificity (%)

PPV (%)

NPV (%)

Kappa test

Stool

31.3

91.5

29.4

92.2

0.222

Widal

81.2

18.3

10.1

89.7

0.01

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BMC Research Notes

ISSN: 1756-0500

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