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Summary of AFB isolation by site
| Site | No. of specimens | Total no. of culture-positive AFB specimens (% incidence) | No. of specimens with culture results by decontamination method
|
P | ||
|---|---|---|---|---|---|---|
| NALC/NaOH only | CB-18 only | Both methods | ||||
| 1 | 171 | 24 (14.0) | 5 | 7 | 12 | >0.05 |
| 2 | 44 | 14 (31.8) | 0 | 3 | 11 | >0.05 |
| 3 | 90 | 16 (17.8) | 2 | 4 | 10 | >0.05 |
| 4 | 162 | 36 (22.2) | 3 | 19 | 14 | <0.01 |
| 5 | 106 | 16 (15.1) | 3 | 8 | 5 | >0.05 |
| Total | 573 | 106 (18.5) | 13 | 41 | 52 | <0.01 |
