Table 1.

CSF HMGB1 levels in patients with TBM, non-TB meningitis and extra neural tuberculosis, and in control subjects

	TBM (n = 59)	Non-TB meningitis (n = 30)	Extra neural tuberculosis (n = 73)	Control (n = 66)
Sex (M/F)	33/26	21/9	40/33	46/20
Age (mean, range)	32.61 (14–90)	31.09 (8 m–59)	37.05 (2–80)	47.82 (7–79)
HMGB-1 ($\overline{x}\pm \text{sd},\text{ng}/\text{ml}$)	19.36 ± 4.75	3.12 ± 2.00	2.13 ± 0.48	1.06 ± 2.17

Group1: TBM patients; group 2: non-TB meningitis; group 3: Extra neural tuberculosis; group 4: control group

M male, F female, HMGB1 high mobility group box protein-1