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Comparison of mean IFN-γ responses to antigens in 26 HIV-infected versus 15 HIV-negative patients with culture-positive TB
| Antigens | HIV status | Mean IFN-γ (IU/ml) | SD (IU/ml) |
|---|---|---|---|
| Negative control | Positive | 0.25 | 0.27 |
| Negative | 0.72 | 1.38 | |
| ESAT-6, CFP-10, | Positive | 1.29 | 1.37 |
| and TB7.7 | Negative | 8.19a | 11.24 |
| Mitogen | Positive | 4.23 | 7.49 |
| Negative | 5.91 | 6.08 | |
| (ESAT-6, CFP-10, and | Positive | 1.05 | 1.38 |
| TB7.7b) − negative control | Negative | 7.47a | 10.51 |
P = 0.033; Student's t test, equal variances not assumed.
