| Clinical Predictors | Points |
| TB risk factors or chronic symptoms | 4 |
| Positive PPD tuberculin test result | 5 |
| Shortness of breath | -3 |
| Crackles noted during examination | -3 |
| Upper-lobe consolidation | 6 |
| Temperature < 38.5 deg C | 0 |
| 38.5 <= Temperature <= 39.0 deg C | 3 |
| Temperature > 39.0 deg C | 6 |
| Among adult patients with suspected respiratory TB, a score of 1 or higher was chosen to indicate the need for respiratory isolation (98% sensitivity and 46% specificity). Using the estimated in-hospital prevalence of the disease of 2%, the positive predictive value was 3.3% and the negative predictive value was 99.9%. |
| Return |