Table 3. Evaluation of the statistical difference of PGL-Tb1 and anti-ESAT-6/CFP10 antibodies in HIV-infected active TB patients stratified by the center of enrolment (as reported in Table 2).
| Centers | Centers | ||||||||||||
| Centers | Hinduja | AIIMS | Safdarjung | JALMA | NIMS | TRC | Centers | Hinduja | AIIMS | Safdarjung | JALMA | NIMS | TRC |
| p value for PGL-Tb1 antibodies | p value for ESAT6/CFP10 antibodies | ||||||||||||
| Hinduja | NA | 0.0073 | NA | NA | 0.5385 | 0.9314 | Hinduja | NA | 0.5223 | NA | NA | 0.7351 | 0.1085 |
| AIIMS | - | NA | NA | NA | 0.8155 | 0.0810 | AIIMS | - | NA | NA | NA | 0.9316 | 0.3418 |
| Safdarjung | - | - | NA | NA | NA | NA | Safdarjung | - | - | NA | NA | NA | NA |
| JALMA | - | - | - | NA | NA | NA | JALMA | - | - | - | NA | NA | NA |
| NIMS | - | - | - | - | NA | 0.4971 | NIMS | - | - | - | - | NA | 0.5843 |
| TRC | - | - | - | - | - | NA | TRC | - | - | - | - | - | NA |
Footnotes: p value was evaluated by comparing the quantitative levels of antibodies obtained in the different tests by the Mann-Whitney test.