Table 3 Mean values (± standard deviation) of cytologic and biochemical cerebrospinal fluid parameters

Leucocyte count/mm³

(min - max)

1,515 ± 2,000

(25-10,320)

257 ± 520

(23-6,500)

0.0001

Neutrophil count/mm³

(min - max)

1,003 ± 2,000

(22-10,000)

75 ± 160

(15-1,188)

0.0001

Glucose level (mmol/L)

(min - max)

2.5 ± 1.5

(0.1-5)

3.4 ± 1

(2.1-14)

0.0001

CSF/serum glucose ratio

(min - max)

0.24 ± 0.3

(0.1-0.5)

0.51 ± 0.15

(0.3-1.8)

0.01

Lactate (mmol/L)

(min - max)

9 ± 5

(3.2-25)

2.6 ± 1.6

(0.5-3.7)

0.0001

CSF/serum lactate ratio

(min - max)

3.7 ± 2.7

(1.5-8.4)

1.5 ± 1.4

(1-1.9)

0.0001

Protein level (g/L)

(min - max)

4.9 ± 4.6

0.5-24

1 ± 0.6

0.3-4

0.0001