Table 1 Demographic and clinical characteristics of 62 patients with post-neurosurgical bacterial meningitis

 Mean age (yr)

42.5

 Sex, male:female

33:29

 Interval between infection and the initial neurosurgery (median day)

9 (IQR^a = 9)

 Days in hospital (median)

46.5 (IQR = 38)

 Death

5 (8%)

 Endonasal trans-sphenoidal approach

28 (45.2%)

 Craniotomy

21 (33.9%)

 Shunt placement

9 (14.5%)

 Decompressive craniectomy

4 (6.4%)

 Leukocyte count (10^6/L)

median = 599.5 (IQR = 3573)

 Glucose level (mmol/L)

median = 2.5 (IQR = 1.8)

 Lactate level (mmol/L)

median = 119.5 (IQR = 7.5)

 Protein level (g/L)

median = 1.3 (IQR = 2.8)