TABLE 2.
PCR results of 82 initially inhibited specimens analyzed with the silica membrane protocol
| Specimen group | No. of specimens analyzed | No. (%) with PCR result
|
||
|---|---|---|---|---|
| Positive | Negative | Inhibitedc | ||
| Respiratory tracta | 11 | 1 (9.1) | 9 (81.2) | 1 (0.4) |
| Nonrespiratory | 71 | 6 (8.4) | 59 (83.1) | 6 (1.6) |
| Lymph nodes | 22 | 5 (22.7) | 16 (72.7) | 1 (2.3) |
| Gastric fluid | 5 | 4 (80) | 1 (1.66) | |
| CSF | 6 | 1 (16.6) | 5 (83.4) | 0 (0.0) |
| Urine | 8 | 7 (87.5) | 1 (8.3) | |
| Otherb | 30 | 27 (90) | 3 (1.8) | |
| All | 82 | 7 (8.5) | 68 (83) | 7 (1.1) |
a
Includes bronchial washings (n = 2), sputum (n = 6), and tracheal aspirates (n = 2).
b
Includes body fluid aspirates (n = 9), biopsy specimens (n = 11), swabs (n = 2), blood (n = 3), peritoneal fluid (n = 1), bone (n = 1), pericard aspirate (n = 1), and stool (n = 2).
c
Percentage calculated based upon all samples (Table 1).