Table 1.
Summary of concordant and discordant results of the tuberculin skin test and interferon-gamma release assay during annual latent tuberculosis infection screening among health-care worker trainees in Pune, India
| Interferon-gamma release assaya | Tuberculin skin test |
Total | |
|---|---|---|---|
| ≥10 mm (positive) | <10 mm (negative) | ||
| Baseline (IU/ml) | |||
| ≥0.35 (positive) | 27 | 18 | 45 |
| <0.35 (negative) | 15 | 140 | 155 |
| Total | 42 | 158 | 200 |
| 12 months (IU/ml) | |||
| ≥0.35 (positive) | 17 | 5 | 22 |
| <0.35 (negative) | 23 | 97 | 120 |
| Total | 40 | 102 | 142 |
aQuantiFERON® TB Gold Test-in-tube (Cellestis Ltd.)