Typhoid Fever: Sensitivity and Specificity

Introduction: None written.

The sensitivity and specificity of findings for Typhoid Fever are listed below. See the left navigation bar to change the display.

Sensitive Findings

Sensitivity = 90%

>38C

53% of patients had fever >40C

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

Sensitivity = 85.6%

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

Poorly Diagnostic Findings

Finding	Sensitivity	Specificity	Comments, Study
Blood Cultures Duplicate	Sensitivity = 81%		Study: Microbiol Immunol. 2000;44(7):577-83. PMID 10981830
Duodenal string-capsule culture	Sensitivity = 57.6%		Study: J Infect Dis 1984 Feb;149(2):157-61 PMID 6421940
Diarrhea	Sensitivity = 56%		Study: Microbiol Immunol. 2000;44(7):577-83. PMID 10981830
Blood Cultures Duplicate	Sensitivity = 54.2%		Study: J Infect Dis 1984 Feb;149(2):157-61 PMID 6421940
Stool Culture	Sensitivity = 50%		Study: Microbiol Immunol. 2000;44(7):577-83. PMID 10981830
Rectal Swab Culture	Sensitivity = 35.6%		Study: J Infect Dis 1984 Feb;149(2):157-61 PMID 6421940
Rose Spots	Sensitivity = 26%		salmon colored spots usually found on the abdomen Study: Microbiol Immunol. 2000;44(7):577-83. PMID 10981830
Hepatomegaly	Sensitivity = 25%		Study: Microbiol Immunol. 2000;44(7):577-83. PMID 10981830
Leukocytosis	Sensitivity = 17%		>8k/ul Study: Microbiol Immunol. 2000;44(7):577-83. PMID 10981830