TABLE 2.
Proportion of specimens from patients and controls containing antibodies to various antigens of M. tuberculosis
| Infection status (n) | % of specimens containing antibodies toa:
|
|||||
|---|---|---|---|---|---|---|
| Native 38-kDa Ag | Native Ag 85A | Native MPT32 | Native Ag 85C | Native 88-kDa Ag | MPT32-, Ag 85C, and 88-kDa Ag | |
| HIV negative, TB positive (smear positive) | 38 (16/42) | 62 (26/42) | 69 (29/42) | 79 (33/42) | 74 (31/42) | 81 |
| HIV negative, TB positive (smear negative) | 8 (1/12) | 17 (2/12) | 33 (4/12) | 33 (4/12) | 33 (4/12) | 50 |
| HIV positive, Pre-TB (42) | 12 (5/42) | NDb | 29 (12/42) | 36 (15/42) | 74 (32/42) | ND |
| HIV positive, at-TB (smear positive) (21) | 14 (3/21) | ND | 24 (5/21) | 19 (4/21) | 66 (14/21) | ND |
| HIV positive, at-TB (smear negative) (16) | 19 (3/16) | ND | 12 (2/16) | 19 (3/16) | 62 (10/16) | ND |
| TB negative (controls) (83) | 0 (0/83) | 0 (0/83) | 2 (1/83) | 0 (0/83) | 0 (0/83) | 2 (1/83) |
| Specificity | 100 | 100 | 98 | 100 | 100 | 98 |
a
Data in parentheses are the number of specimens containing antibodies to the indicated antigen/the number of specimens tested.
b
ND, not done.