TABLE 2.
Overall agreement between TST and QFT-GIT test resultsa
| QFT-GIT result (no. of subjects) | No. (%) of subjects with QFT-GIT result for cutoff of:
|
|||
|---|---|---|---|---|
| <10 mm | ≥10 mm | <15 mm | ≥15 mm | |
| Negative (655) | 535 (81.7) | 120 (18.3) | 614 (93.7) | 41 (6.3) |
| Positive (21) | 2 (9.5) | 19 (90.5) | 11 (52.4) | 10 (47.6) |
| All (676) | 537 (79.4) | 139 (20.6) | 625 (92.5) | 51 (7.5) |
a
With 10 mm as the cutoff, the overall agreement between TST and QFT-GIT was 82% (κ = 0.19); when using 15 mm as the cutoff, the agreement was 92.3% (κ = 0.24).