Table 1 Sensitivities and specificities of four individual antigens and the multiple-antigen combination set with serum from LTBI individuals and healthy controls
Rv. | Latent TB (N = 62) | Sensitivity (%, 95% CI) | Healthy controls (N = 32) | Specificity (%, 95% CI) | |||
|---|---|---|---|---|---|---|---|
Specific Positive | Nonspecific Positive | Negative | Positive | Negative | |||
Rv1146 | 2 | 20 | 40 | 35.5 (24.0–48.7) | 1 | 31 | 96.9 (82.0–99.8) |
Rv1977 | 6 | 21 | 35 | 43.6 (31.2–56.7) | 1 | 31 | 96.9 (82.0–99.8) |
Rv3090 | 4 | 16 | 42 | 32.3 (21.3–45.5) | 1 | 31 | 96.9 (82.0–99.8) |
Rv3206c | 3 | 19 | 40 | 35.5 (24.0–48.7) | 2 | 30 | 93.8 (77.8–98.9) |
Multiple | 41 | 21 | 66.1 (52.9–77.4) | 4 | 28 | 87.5 (70.1–95.1) | |