Table 2.

CSF white cell counts and cytology results in group I. WCC in the various subgroups

	Units	Total	≤ 14 d	> 14 d	Acute B/SC subgroup	Acute PN/CN/H subgroup
Pleocytosis	Samples	14/128 (10.9%)	12/88 (13.6%)	2/26 (7.7%)	11/71 (15.5%)	1/16 (6.3%)
WCC, all samples	Cells/µl	2 (0–651;128)	2 (0–651;88)	1 (0–8;26)	2 (0–651;70)	2 (0–8;16)
WCC, if elevated	Cells/µl	10 (6–651;14)	11 (8–651;12)	7 (6–8;2)	12 (8–651;11)	8 (8–8;1)
WCC, ≥ 100	Samples	4/128 (3.1%)	4/88 (4.5%)	0/26 (0%)	4/71 (5.6%)	0/16 (0%)
WCC, if ≥100	Cells/µl	441.5 (247–651;4)	441.5 (247–651;4)	n.a. (n.a.;0)	441.5 (247–651;4)	n.a. (n.a.;0)
Lymphocytes	Samples	66/80 (82.5%)	47/56 (83.9%)	14/18 (77.8%)	36/44 (81.8%)	10/11 (90.9%)
Monocytes	Samples	67/80 (83.8%)	49/56 (87.5%)	13/18 (72.2%)	37/44 (84.1%)	11/11 (100%)
Neutrophils	Samples	17/80 (21.3%)	14/56 (25%)	2/18 (11.1%)	10/44 (22.7%)	4/11 (36.4%)
Eosinophils	Samples	0/80 (0%)	0/56 (0%)	0/18 (0%)	0/44 (0%)	0/11 (0%)
Basophils	Samples	0/80 (0%)	0/56 (0%)	0/18 (0%)	0/44 (0%)	0/11 (0%)
Plasma cells	Samples	2/80 (2.5%)	1/56 (1.8%)	1/18 (5.6%)	1/44 (2.3%)	0/11 (0%)
Lymphoid cells	Samples	7/80 (8.8%)	5/56 (8.9%)	2/18 (11.1%)	3/44 (6.8%)	2/11 (18.2%)
Macrophages	Samples	2/80 (2.5%)	2/56 (3.6%)	0/18 (0%)	1/44 (2.3%)	1/11 (9.1%)
No pleocytosis	Samples	114/128 (89.1%)	76/88 (86.4%)	24/26 (92.3%)	60/71 (84.5%)	15/16 (93.8%)

Results are given as medians (with ranges and sample numbers in brackets) and frequencies (with percentages in brackets), respectively

B/SC brain/spinal cord, CSF cerebropinal fluid, PN/CN/H peripheral nerve/cranial nerve/headache only, WCC white cell count