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Table 2 Neuroimaging, Laboratory Findings, and Disease Severity in Patients with Tuberculous Meningitis (N = 100)

From: Mortality predictors and diagnostic challenges in adult tuberculous meningitis: a retrospective cohort of 100 patients

Variables

Possible (n = 63)

Probable (n = 22)

Definite (n = 15)

Total (n = 100)

Neuroimaging findings, n (%)

 Normal

21/59 (35.6)

2 (9.1)

4/14 (28.6)

27/95 (28.4)

 Hydrocephalus

20/59 (33.9)

11 (50.0)

7/14 (50.0)

38/95 (40.0)

 Meningeal enhancement

16/59 (27.1)

13 (59.1)

5/14 (35.7)

34/95 (35.8)

 Cerebral infarction

11/59 (18.6)

11 (50.0)

5/14 (35.7)

27/95 (28.4)

 Tuberculoma/abscess

2/59 (3.4)

2 (9.1)

2/14 (14.3)

6/95 (6.3)

Laboratory features

 CSF leucocytes (per µl), median (percentile 25 to percentile 75)

130.0 (40.0 to 350.0), n = 53

66.0 (10.0 to 200.0)

110.0 (5.0 to 200.0)

110.0 (20.0 to 295.0), n = 90

 CSF pleocytosis, n (%)

49/53 (92.5)

18 (81.8)

12 (80.0)

79/90 (87.8)

 CSF polymorphonuclears (%), median (percentile 25 to percentile 75)

20.0 (5.0 to 50.0), n = 49

10.0 (5.0 to 30.0)

56.5 (10.0 to 85.0), n = 14

20.0 (5.0 to 65.0), n = 85

 CSF lymphocyte predominance1, n (%)

36/49 (73.5)

17 (77.3)

7/14 (50.0)

60/85 (70.6)

 CSF protein (mg/dl), median (percentile 25 to percentile 75)

138.0 (83.0 to 176.0), n = 54

118.0 (96.0 to 167.0), n = 21

91.1 (68.0 to 127.0), n = 14

122.0 (84.0 to 166.0), n = 89

 CSF hyperproteinorrhachia, n (%)

47/54 (87.0)

20/21 (95.2)

14/14 (100.0)

81/89 (91.0)

 CSF glucose (mg/dl), median (percentile 25 to percentile 75)

37.0 (21.0 to 58.0), n = 54

27.0 (19.0 to 37.0), n = 21

21.5 (15.0 to 43.0), n = 14

34.0 (19.0 to 49.0), n = 89

 CSF hypoglycorrhachia, n (%)

30/54 (55.6)

17/21 (81.0)

10/14 (71.4)

57/89 (64.0)

 Serum sodium (mg/dl), median (percentile 25 to percentile 75)

137.0 (134.0 to 140.0), n = 56

133.0 (131.0 to 136.0)

131.0 (130.0 to 137.0), n = 14

135.0 (131.0 to 140.0), n = 92

 ESR (mm/hour), median (percentile 25 to percentile 75)

24.0 (10.0 to 40.0), n = 53

25.0 (10.0 to 43.0), n = 19

42.0 (20.0 to 57.0), n = 11

25.0 (10.0 to 44.0), n = 83

 CRP (mg/L), median (percentile 25 to percentile 75)

18.8 (6.3 to 52.5), n = 49

12.6 (2.2 to 70.5), n = 16

32.7 (16.4 to 81.1), n = 10

18.8 (5.6 to 53.9), n = 75

 Leukocytes (× 103/per µl), median (percentile 25 to percentile 75)

8.9 (7.3 to 10.6), n = 57

8.1 (5.8 to 10.2)

8.7 (7.3 to 12.5), n = 14

8.8 (7.0 to 10.6), n = 93

 Hemoglobin (mg/dL), median (percentile 25 to percentile 75)

13.5 (11.6 to 14.3), n = 57

12.3 (9.3 to 13.5), n = 21

12.9 (11.3 to 13.7), n = 14

13.0 (11.3 to 14.2), n = 92

 Platelets (× 103/per µl), median (percentile 25 to percentile 75)

246.5 (198.0 to 317.0), n = 56

249.0 (187.0 to 316.0)

242.5 (214.0 to 302.0), n = 14

245.0 (195.0 to 307.5), n = 92

Modified BMRC severity stage, n (%)

 I

12 (19.1)

2 (9.1)

3 (20.0)

17 (17.0)

 II

37 (58.7)

18 (81.8)

8 (53.3)

63 (63.0)

 III

14 (22.2)

2 (9.1)

4 (26.7)

20 (20.0)

Length of hospital stay (days), median (percentile 25 to percentile 75)

19.0 (10.0 to 31.0)

21.0 (13.0 to 27.5), n = 20

23.0 (11.0 to 31.0)

20.0 (11.0 to 30.0), n = 98

  1. CSF, cerebrospinal fluid; ESR, erythrocyte sedimentation rate; CRP, C-reactive protein; BMRC, British Medical Research Council
  2. 1Defined as comprising more than 50 percent lymphocytes in cerebrospinal fluid