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Septic arthritis

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Introduction

Define/describe the condition

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Synovial Cell Count: The best diagnostic tool while awaiting culture results

Ref
17405973
. Table data taken from Margaretten et al
Ref
17405973

Value

Likelihood Ratio

95% CI

WBC's < 25,000

0.32

0.23-0.43

WBC's > 25,000

2.9

2.5-3.4

WBC's > 50,000

7.7

5.7-11.0

WBC's > 100,000

28

12.0-66.0

PMN's < 90%

0.34

0.25-0.47

PMN's >90%

3.4

2.8-4.2

Peripheral White Blood Cell Count: Sensitivity: 90%; Specificity: 36%

Ref
17405973

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Include overview of complications

Selected References

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