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Table 1 Performance of Tubex® using group 1 as true positives and two different control groups as true negatives

From: Assessment and comparative analysis of a rapid diagnostic test (Tubex®) for the diagnosis of typhoid fever among hospitalized children in rural Tanzania

 

Control Group

 

Group 2 + 3*

Group 3*

Sensitivity (95% CI)

0.79 (0.52-0.81)

0.79 (0.62-0.90)

(absolute numbers)

(26/33)

(26/33)

Specificity (95% CI)

0.89 (0.81-0.94)

0.97 (0.85-0.99)

(absolute numbers)

(94/106)

(94/97)

  1. *Group 1 = S. Typhi (n = 33), Group 2 = all non-yphi Salmonella (n = 49), Group 3 = all blood culture-positive non-Salmonella cases (n = 57)
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BMC Infectious Diseases

ISSN: 1471-2334

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