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Poorly Diagnostic Findings

Typhoid Fever: Likelihood Ratios

Introduction: None written.

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Tags: Infection Tag this Diagnosis.

The likelihood ratios of findings for Typhoid Fever are listed below. See the left navigation bar to change the display.

Poorly Diagnostic Findings

Finding +LR-LR Comments, Study
hearing loss Edit Sensitivity = 90%

>38C

53% of patients had fever >40C

Study: Microbiol Immunol. 2000;44(7):577-83. PMID 10981830

Bone Marrow Aspirate Culture Edit Sensitivity = 85.6%

Study: J Infect Dis 1984 Feb;149(2):157-61 PMID 6421940

Blood Cultures
Duplicate Edit
Sensitivity = 81%

Study: Microbiol Immunol. 2000;44(7):577-83. PMID 10981830

Duodenal string-capsule culture Edit Sensitivity = 57.6%

Study: J Infect Dis 1984 Feb;149(2):157-61 PMID 6421940

Diarrhea Edit Sensitivity = 56%

Study: Microbiol Immunol. 2000;44(7):577-83. PMID 10981830

Blood Cultures
Duplicate Edit
Sensitivity = 54.2%

Study: J Infect Dis 1984 Feb;149(2):157-61 PMID 6421940

Stool Culture Edit Sensitivity = 50%

Study: Microbiol Immunol. 2000;44(7):577-83. PMID 10981830

Rectal Swab Culture Edit Sensitivity = 35.6%

Study: J Infect Dis 1984 Feb;149(2):157-61 PMID 6421940

Rose Spots Edit Sensitivity = 26%

salmon colored spots usually found on the abdomen

Study: Microbiol Immunol. 2000;44(7):577-83. PMID 10981830

Hepatomegaly Edit Sensitivity = 25%

Study: Microbiol Immunol. 2000;44(7):577-83. PMID 10981830

Leukocytosis Edit Sensitivity = 17%

>8k/ul

Study: Microbiol Immunol. 2000;44(7):577-83. PMID 10981830