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Test characteristics of WHO immunologic failure criteria to detect virologic failure
| VF+ | VF− | Total | |
|---|---|---|---|
| IF+ | 13 | 25 | 38 |
| IF− | 44 | 440 | 484 |
| Total | 57 | 465 | 522 |
Positive predictive value: 34.2% (95% CI: 19.6–51.4%); sensitivity: 22.8% (95% CI: 12.7–35.8%); specificity: 94.6% (95% CI: 92.2–96.5%).
