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.
Smear positivity and time to isolation of Mycobacterium tuberculosis
| Smear microscopy |
Patients n (%) |
Time to culture Median (range) |
|---|---|---|
| Negative | 2 (2) | 21 (19–23) |
| Scanty | 5 (5) | 16 (16–21) |
| 1+ | 19 (19) | 15 (10–25) |
| 2+ | 28 (28) | 13 (6–19) |
| 3+ | 47 (47) | 11 (6–24) |
| Total | 101 (100) | 13 (6–25) |
P (trend) <0.001.
