TABLE 1.
Numbers and types of specimens that inhibit amplification
| Specimen | No. of specimens that were inhibitory/total no. of specimens (% inhibitory specimens) |
|---|---|
| Respiratory | |
| Sputa | 7/281 (2.5) |
| Bronchial secretion | 5/264 (1.9) |
| Total respiratory | 12/545 (2.2) |
| Nonrespiratory | |
| Stool | 31/43 (72.1) |
| Biopsy | 5/42 (11.9) |
| Citrate blood | 4/49 (8.2) |
| Urine | 2/88 (2.3) |
| Bone marrow | 2/2 (100) |
| Gastric juice | 1/33 (3.0) |
| Pleural effusion | 1/40 (2.5) |
| Pus | 0/3 (0) |
| Cerebrospinal fluid | 0/25 (0) |
| Total nonrespiratory | 46/325 (14.2) |
| Total for all specimens | 58/870 (6.7) |