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Table 2 Summary of CSF findings by diagnosis category

From: Cerebrospinal fluid pleocytosis level as a diagnostic predictor? A cross-sectional study

  Diagnosis category
CNS infection (n = 106) Infection outside CNS (n = 20) Non-infectious neurological diseases (n = 79) Malignancy, all foci (n = 23) Other (n = 34) Total (n = 262)
CSF leukocytes/μla n (%) [mean] n (%) [mean] n (%) [mean] n (%) [mean] n (%) [mean] n (%) [mean]
6–10 11 (10.4) 8.1 10 (50.0) 7.3 32 (40.5) 7.3 8 (34.8) 7.4 14 (41.2) 7.2 75 (28.6) 7.4
>10–50 23 (21.7) 29.3 9 (45.0) 22.9 34 (43.0) 20.2 11 (47.8) 21.9 14 (41.2) 20.1 91 (34.7) 23.0
>50–100 8 (7.6) 84.0    3 (3.8) 66 2 (8.7) 62.5 5 (14.7) 69.8 18 (6.9) 74.7
>100–200 17 (16.0) 135.0    6 (7.6) 138    1 (2.9) 159 24 (9.2) 136.8
>200–400 13 (12.3) 266.4 1 (5.0) 221 2 (2.5) 247.5 1 (4.4) 347    17 (6.5) 266.2
>400–600 12 (11.3) 524.6    1 (1.3) 537      13 (5.0) 525.5
>600–800 2 (1.9) 744          2 (0.8) 744
>800–1000 3 (2.8) 896          3 (1.2) 896
>1000 17 (16.0) 6041.2    1 (1.3) 2015 1 (4.4) 1980    19 (7.3) 5615.5
Total 106 (100.0) 1135.5** 20 (100.0) 25.0* 79 (100.0) 63.2** 23 (100.0) 119.7 34 (100.0) 26.2* 262 (100.0) 494.3
CSF protein g/la n (%) [mean] n (%) [mean] n (%) [mean] n (%) [mean] n (%) [mean] n (%) [mean]
<0.2      1 (1.3) 0.0    1 (2.9) 0.0 2 (0.8) 0.0
0.2–0.4 18 (17.0) 0.4 12 (60.0) 0.3 34 (43.0) 0.3 8 (34.8) 0.3 11 (32.4) 0.4 83 (31.7) 0.3
0.41–1.11 50 (47.2) 0.7 8 (40.0) 0.8 36 (45.6) 0.7 10 (43.5) 0.6 18 (52.9) 0.6 122 (46.6) 0.7
>1.11 38 (35.9) 2.8    8 (10.1) 2.5 5 (21.7) 2.9 4 (11.8) 2.6 55 (21.0) 2.8
Total 106 (100.0) 1.4** 20 (100.0) 0.5 79 (100.0) 0.7** 23 (100.0) 1.0 34 (100.0) 0.7 262 (100.0) 1.0
  1. aWilcoxon-Mann-Whitney test
  2. b p-values by Student’s t-test
  3. *p-value <0.01
  4. **p-value <0.001