Table 3.
Validity of WHO Criteriaa.
| Parameter | Compared to Culture Positive TB |
Compared to Culture and/or Xpert MTB/RIF Positive TB |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Sensitivity (95% CI) (%) | Specificity (95% CI) (%) | PPV (95% CI) (%) | NPV (95% CI) (%) | Accuracy (%) | Sensitivity (95% CI) (%) | Specificity (95% CI) (%) | PPV (95% CI) (%) | NPV (95% CI) (%) | Accuracy (%) | |
| WHO criteria | 40 (14-73) | 84 (80-87) | 6 (2-16) | 98 (96-99) | 83% | 22 (9-43) | 83 (79-87) | 9 (4-20) | 93 (90-96) | 79% |
Abbreviations: WHO, World Health Organization; TB, tuberculosis; PPV, positive predictive value; NPV, negative predictive value; CI, confidence interval.
a
Figures represent n (%), unless specified.