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Table 1 Thwaites scoring system

From: The diagnostic utility of the “Thwaites’ system” and “lancet consensus scoring system” in tuberculous vs. non-tuberculous subacute and chronic meningitis: multicenter analysis of 395 adult patients

 

Score

Age (years)

 ≥ 36

2

 <  36

0

WBC (103 /ml)

 ≥ 15,000

4

 <  15,000

0

History of illness (days)

 ≥ 6

5

 <  6

0

CSF total WBC (103 /ml)

 ≥ 900

3

 <  900

0

CSF % neutrophils

 ≥ 75

4

 <  75

0

  1. WBC White blood cell count, CSF Cerebrospinal fluid