TABLE 3.
Comparison of AMTDII and AMPLICOR amplification assays with smear and culture results and clinical data for extrapulmonary specimensa
| Patient status (no. of specimens) | No. of specimens positive byb:
|
|
|---|---|---|
| AMTDII | AMPLICOR | |
| Smear and culture positive (25) | 22 [3] | 23 (1) |
| Smear negative, culture positive (8) | 7 [1] | 7 (1) |
| Smear and culture negative with final diagnosis of TB (8) | 5 [0] | 4 (2) |
| All TB positive (41) | 34 [4] | 34 (4) |
| Smear and culture negative, non-TB disease (138) | 0 | 0 |
| Isolation of NTM (11) | 0 | 0 |
a
P values were not significant.
b
Values in brackets represent the number of specimens which turned out to be positive when retrospectively tested after dilution. Values in parentheses represent the number of specimens showing a negative amplification control which turned out to be positive when retested after dilution.