Table 1.

Association between high CSF IL-6 and CSF infection

CNS infection	CSF IL-6
	High (>10,000 pg/mL)	Low (<10,000 pg/mL)
Definite	i, k, t, u, x, y
Probable	w
No	m	a, b, c, d, h, j, n, o, p, q, s, v
Unlikely	ra

^aNo CSF taken for culture. Patient letters correspond to those in Figures 3 and 4.