Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Sensitivity and specificity of in vitro IFN-γ production to mycobacterial antigens based on defined cut offs
| Antigen and cut off | No. of subjects
|
Sensitivity (%) for M. tuberculosis | Specificity (%) for M. tuberculosis | ||
|---|---|---|---|---|---|
| M. tuberculosis disease (n = 27) | MAC disease (n = 8) | Controls (n = 8) | |||
| rESAT-6a ODI | |||||
| ≥2.0 | 16 | 0 | 0 | ||
| <2.0 | 11 | 8 | 8 | 59 | 100 |
| PPD ODI | |||||
| ≥2.0 | 23 | 2 | 5 | ||
| <2.0 | 4 | 6 | 3 | 85 | 56 |
| ≥4.0 | 20 | 1 | 2 | ||
| <4.0 | 7 | 7 | 6 | 74 | 81 |
rESAT-6, recombinant ESAT-6.
