Table 2. Comparison of features between tuberculous and viral meningitis.
| Features | All (N = 203) | Tuberculous (N = 60) | Viral (N = 143) | P-value |
|---|---|---|---|---|
| Median age, years (IQR) | 37 (29 - 58) | 49 (33 - 64) | 34 (29 - 55) | <0.001 |
| Median symptom duration before the visit, days (IQR) | 5 (3 - 7) | 9 (6 - 15) | 4 (2 - 6) | <0.001 |
| Vomiting (%) | 80 (39.4) | 28 (46.7) | 52 (36.4) | 0.21 |
| Neurologic symptoms and signs (%) | 70 (34.5) | 39 (65.0) | 31 (21.5) | <0.001 |
| Median serum sodium, mg/dl (IQR) | 137 (134 - 139) | 133 (128 - 136) | 138 (136 - 140) | <0.001 |
| Median CSF glucose, mg/dl (IQR) | 53.3 (45.1 - 66.0) | 41.6 (28.8 - 61.5) | 57.6 (49.0 - 67.0) | <0.001 |
| Median CSF protein, mg/dl (IQR) | 117.0 (67.9 - 169.6) | 175.5 (118.7 - 317.1) | 101 (56.3 - 141.3) | <0.001 |
| Median CSF ADA, IU/L (IQR) | 7 (3 - 12) | 14 (8 - 21) | 5 (3 - 8) | <0.001 |
IQR, interquartile range; CSF, cerebrospinal fluid; ADA, adenosine deaminase.