From: Tuberculosis screening at the Sainte-Anne Hospital in Paris – results of first and second IGRA
QFT reversion | ||||
---|---|---|---|---|
Reason for examination | N | % | OR | 95% CI |
General OH exam | 26 | 48.1 | 1 | -- |
Pre-employment | 20 | 26.7 | 0.3 | 0.1 – 0.9 |
Contact tracing | 7 | 46.7 | 1.3 | 0.4 – 4.6 |
Time between the QFT | ||||
<3 months | 28 | 45.9 | 2.3 | 1.2 – 6.8 |
3+ months | 25 | 30.1 | 1 | -- |
Concentration of first QFT | ||||
0.35- < 0.7 IU/ml | 20 | 55.6 | 4.6 | 1.6 – 13.4 |
0.7- < 1.0 IU/ml | 9 | 30.6 | 2.2 | 0.7 – 7.5 |
1.0- < 3.0 IU/ml | 15 | 39.5 | 2.4 | 0.8 – 7.1 |
3.0+ IU/ml | 9 | 20.0 | 1 | -- |
TST in history | ||||
10 + mm | 23 | 31.9 | 1 | |
<10mm | 17 | 60.7 | 4.4 | 1.6 – 12.2 |
Unknown, not performed | 13 | 29.5 | 1.3 | 0.5 – 3.2 |