Typical CSF values in meningitis

Pyogenic

Viral

Tuberculosis

Classical appearance

turbid

clear

fibrin web

Predominant cell type

polymorphs

lymphocytes

lymphocytes

Cell count/mm3

>1000

<500

50-1500

Protein (g/l)

>1

0.5-1

1-5

CSF:blood glucose

<60%

>60%

<60%

0 0

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