Positive QTF-Gold IT or T-SPOT.TB result | ||||
No | Yes | Total | ||
TST ≥5 mm | No | 229 | 25 | 254 |
Yes | 97 | 41 | 138 (35.2%) | |
Total | 326 | 66 (16.8%) | 392 | |
Observed agreement 69% (95% CI 64% to 73%) | κ=0.23 (95% CI 0.13 to 0.32) | |||
Positive QTF-Gold IT result | ||||
No | Yes | Total | ||
TST ≥5 mm | No | 239 | 15 | 254 |
Yes | 114 | 24 | 138 (35.2%) | |
Total | 353 | 39 (9.9%) | 392 | |
Observed agreement 67% (95% CI 62% to 72%) | κ=0.14 (95% CI 0.06 to 0.22) | |||
Positive T-SPOT.TB result | ||||
No | Yes | Total | ||
TST ≥5 mm | No | 234 | 20 | 254 |
Yes | 99 | 34 | 138 (35.2%) | |
Total | 333 | 59 (15.1%) | 392 | |
Observed agreement 70% (95% CI 65% to 74%) | κ=0.23 (95% CI 0.14 to 0.33) | |||
Positive QTF-Gold IT or T-SPOT.TB result | ||||
No | Yes | Total | ||
TST ≥10 mm | No | 276 | 41 | 317 |
Yes | 50 | 25 | 75 (19.1%) | |
Total | 326 | 66 (16.8%) | 392 | |
Observed agreement 77% (95% CI 72% to 81%) | κ=0.21 (95% CI 0.10 to 0.33) | |||
Positive QTF-Gold IT result | ||||
No | Yes | Total | ||
TST ≥10 mm | No | 294 | 23 | 317 |
Yes | 59 | 16 | 75 (19.1%) | |
Total | 353 | 39 (9.9%) | 392 | |
Observed agreement 79% (95% CI 75% to 83%) | κ=0.17 (95% CI 0.06 to 0.29) | |||
Positive T-SPOT.TB result | ||||
No | Yes | Total | ||
TST ≥10 mm | No | 282 | 35 | 317 |
Yes | 51 | 24 | 75 (19.1%) | |
Total | 333 | 59 (15.1%) | 392 | |
Observed agreement 78% (95% CI 74% to 82%) | κ 0.23 (95% CI 0.11 to 0.35) |
QTF-Gold IT, QuantiFERON TB Gold in tube; TST, tuberculin skin test.