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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