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Description

Lee et al reported a score that can help distinguish between tuberculous and viral meningitis. The authors are from Kyungpook National University in Daegu, South Korea.


Patient selection: viral vs tuberculous meningitis

 

Parameters:

(1) hyponatremia (< 135 mmol/L)

(2) CSF LDH concentration in U/L

(3) CSF protein in mg/dL

(4) cranial nerve palsy

(5) voiding difficulty

(6) confusion

 

Parameter

Finding

Points

hyponatremia

no

0

 

yes

3

CSF LDH

<= 70 U/L

0

 

> 70 U/L

3

CSF protein

<= 160 mg/dL

0

 

> 160 mg/dL

2

cranial nerve palsy

no

0

 

yes

2

voiding difficulty

no

0

 

yes

2

confusion

no

0

 

yes

1

 

total score =

= SUM(points for all of the parameters)

 

Interpretation:

• minimum score: 0

• maximum score: 13

 

Total Score

Percent Tuberculous

<= 4

12%

5 or 6

61%

7 to 13

91%

 

Performance:

• The area under the ROC curve is 0.90.


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