TABLE 1.
PCR results of 655 specimens analyzed with the Amplicor protocol
| Specimen group | No. of specimens analyzed | No. (%) with PCR result
|
||
|---|---|---|---|---|
| Positive | Negative | Inhibitedc | ||
| Respiratory tracta | 273 | 9 (3.3) | 253 (92.7) | 11 (4.0) |
| Nonrespiratory | 382 | 27 (7.1) | 284 (74.3) | 71 (18.6) |
| Lymph nodes | 43 | 5 (11.6) | 16 (37.2) | 22 (51.2) |
| Gastric fluid | 60 | 5 (8.3) | 50 (83.3) | 5 (8.3) |
| CSF | 104 | 5 (4.8) | 93 (89.4) | 6 (5.8) |
| Urine | 12 | 4 (33.3) | 8 (66.6) | |
| Otherb | 163 | 12 (7.4) | 121 (74.2) | 30 (18.4) |
| All | 655 | 36 (5.5) | 537 (82) | 82 (12.5) |
a
Includes bronchial washings (n = 194), sputa (n = 70), and tracheal aspirates (n = 9).
b
Includes body fluid aspirates (n = 68), biopsy specimens (n = 35), swabs (n = 18), blood (n = 11), peritoneal fluid (n = 10), bone (n = 7), liver (n = 5), brain (n = 4), pericard aspirate (n = 3), and stool (n = 2).
c
OD of the internal control, <0.35.