Numbers of acid fast bacilli detected after NaOH treatment and concentration of samples
| Auramine (83%) | ||||||
|---|---|---|---|---|---|---|
| (n=78) | 0 | <1 | 1–9 | 10–90 | >90 | |
| 58 positive results by any method from 70 positives in all; detection rates noted in parenthesis. | ||||||
| 0 | 20 | 22 | 4 | 1 | ||
| <1 | 6 | 10 | 1 | |||
| ZN (44%) | 1–9 | 1 | 10 | |||
| 10–90 | 2 | 1 | ||||
| >90 | ||||||