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Effect of time delay to process sputum specimens compared with time to recovery of Mycobacterium tuberculosis
| Days* | Patients n (%) |
Time to positive culture Median (range) |
|---|---|---|
| 1–7 | 9 (9) | 13.0 (7–23) |
| 8–14 | 21 (21) | 13.0 (7–24) |
| 15–21 | 28 (28) | 11.5 (7–24) |
| 22–28 | 25 (25) | 13.0 (6–23) |
| 29–42 | 18 (18) | 12.5 (9–25) |
| Total | 101 (100) | 13.0 (6–25) |
Total days from specimen collection to inoculation on culture medium.
P (trend) = 0.12.
