GetTheDiagnosis.org

Welcome, guest.
Login or Sign up to edit.

Add an entry

Search:
 

Tools

Add a finding for this diagnosis

Add prevalence for this diagnosis

Switch to calculator mode to see positive predictive value

Switch to likelihood ratios

Sort findings by Tag

Sort findings by Differential Diagnosis

Jump To

Specific Findings

Sensitive Findings

Negative Findings

Poorly Diagnostic Findings

Septic Arthritis: Sensitivity and Specificity

Introduction: None written.

[Edit Diagnosis] [Merge dx] [Add prevalence]

Tags: Infection Tag this Diagnosis.

Prevalence

Population / CalculatorPrevalence Comments / Study / Link
Patients presenting with acute monoarthritis 8% Another study reported 27%.

JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478
More, Edit...

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

Specific Findings

Finding SensitivitySpecificity Comments, Study
Synovial WBC
Duplicate Edit		 29%99%

>100k

Study: JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478
Recent Joint Surgery Edit 24%96%

Study: JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478
Diabetes Edit 12%96%

Study: JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478
Age Edit 19%95%

>80 years

Study: JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478
Synovial WBC
Duplicate Edit		 62%92%

>50k

Study: JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478
Joint Prosthesis Edit 35%89%

for hip or knee

Study: JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478
Skin infection Edit 32%88%

Study: JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478
Synovial Glucose Edit 51%85%

Low, defined differently in different studies.

Study: JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478

Sensitive Findings

Finding SensitivitySpecificity Comments, Study
Synovial LDH Edit 100%51%

>250 U/L

Study: JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478
Elevated ESR Edit 95%29%

>30mm/hr

Study: JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478
Leukocytosis Edit 90%36%

>10,000/ul

Study: JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478
Pain in Joint Edit Sensitivity = 85%

specificity not evaluated

Study: JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478

Negative Findings

Finding SensitivitySpecificity Comments, Study
Synovial Protein Edit 48%46%

>3g/dl

Study: JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478
hearing loss Edit 46%31%

Study: JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478/JRC70001T2

Poorly Diagnostic Findings

Finding SensitivitySpecificity Comments, Study
Synovial PMN Edit 73%79%

>90%

Study: JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478/JRC70001T2
Rheumatoid Arthritis Edit 68%73%

Study: JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478/JRC70001T2
Elevated CRP Edit 77%53%

>100mg/l

Study: JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478/JRC70001T2
History of HIV Edit 79%50%

Study: JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478/JRC70001T2
Joint Edema Edit Sensitivity = 78%

specificity not assessed

Study: JAMA. 2007;297:1478-1488. http://jama.ama-assn.org/cgi/content/full/297/13/1478/JRC70001T2

 

The diagnosis database was created by Gavi Kohlberg and Mark Hammer. Copyright 2008-2014, All Rights Reserved. Disclaimer: This site is for health professionals and does not dispense medical advice. The content on this site is provided without warantee, expressed or implied, and without guarantee of accuracy. For questions, email info@getthediagnosis.org or click here.