Table 4. Cases with discrepancies between QFT-GIT and QFT-Plus (indicated values: interferon-γ in IU/mL).
| Variable | QFT-GIT | QFT-Plus | |
|---|---|---|---|
| TB1 | TB2 | ||
| G+P− | |||
| LTBI | 0.42 | 0.17 | 0.15 |
| 0.57 | −0.29 | 0.21 | |
| 0.95 | −0.79 | −1.85 | |
| 1.03 | −0.14 | −0.07 | |
| Active TB | 0.43 | 0.14 | 0.17 |
| G−P+ | |||
| HC | −0.34 | −0.09 | 0.63 |
| 0.07 | −0.32 | 0.87 | |
| Active TB | −0.01 | −0.03 | 2.02 |
LTBI, latent tuberculosis infection; HC, healthy control; QFT-GIT, QuantiFERON-TB Gold In-Tube; QFT Plus, QuantiFERON-TB Gold Plus; G+P−, QFT-GIT positive and QFT-Plus negative group; G−P+, QFT-GIT negative and QFT-Plus positive group.