Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Concordance between results of PhaB assay with ethambutol at 16 μg/ml for 48 h and resistance ratio method
| PhaB assay result | No. of isolates with resistance ratio method result ofa:
|
% Concordance | |
|---|---|---|---|
| Sensitive | Resistant | ||
| 99% cutoff (n = 42) | |||
| Sensitive | 7 | 0 | |
| Resistant | 20 | 15 | 53 |
| 90% cutoff (n = 43) | |||
| Sensitive | 23 | 0 | |
| Resistant | 5 | 15 | 88 |
Results after 10 to 21 days, using a cutoff of 3.2 μg/ml in egg medium.
