Table 3

Sensitivity (sens), specificity (spec), and likelihood ratios (LR) at various levels of the predictor variables in the validation dataset

Total
(n = 128)
TBM
(n = 66)
Non- TBM (n = 62)SensSpecLR +ve
One or more predictor variables present100653598.443.51.7
Two or more predictor variables present5951877.287.05.9
Three or more predictor variables present3736154.598.330.0
  • TBM, tuberculous meningitis.