Table 5 A and B: Sensitivity, specificity, and predictive values of Thwaites scoring systems ≤4 and the Lancet scoring system ≥12 between patients with tuberculous meningitis and other etiologies
A. Thwaites scoring system | ||||
Etiology | Sensitivity (%) | Specificity (%) | Positive Predictive Value (%) | Negative Predictive Value (%) |
A. Thwaites | ||||
Tuberculosis | 1.2 | 99.1 | 50 | 59.1 |
Fungal | 0 | 98.9 | 0 | 89.5 |
Viral | 0 | 98.9 | 0 | 92.6 |
Bacterial | 14.3 | 99.2 | 25 | 98.5 |
Miscellaneous | 0 | 98.9 | 0 | 95.9 |
Unknown | 0.7 | 98.8 | 25 | 65.2 |
B. Lancet Score | ||||
Tuberculosis | 50 | 89.3 | 76.1 | 72 |
Fungal | 12.2 | 71.5 | 4.7 | 87.5 |
Viral | 0 | 71.1 | 0 | 90 |
Bacterial | 0 | 97.9 | 0 | 97.6 |
Miscellaneous | 37.5 | 73.6 | 5.7 | 96.5 |
Unknown | 10 | 63.9 | 13.2 | 56.4 |