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
History of illness (days)
≥ 6
5
< 6
CSF total WBC (103 /ml)
≥ 900
3
< 900
CSF % neutrophils
≥ 75
< 75