Culture method | Total incubation period (weeks) | No. (%) of positive isolates in stated system | Mean time to detection (days) | Range (days) |
---|---|---|---|---|
The MB/BacT system protocol requires incubation for six weeks only. | ||||
ND, not done. | ||||
MB/BacT | 6 | 58 (87) | 13 | 3–33 |
8 | ND | ND | ND | |
12 | ND | ND | ND | |
Bactec | 6 | 60 (90) | 9 | 2–35 |
8 | 60 (90) | 9 | 2–35 | |
12 | 61 (91) | 10 | 2–62 | |
Egg medium | 6 | 52 (78) | 19 | 7–42 |
8 | 55 (82) | 21 | 7–56 | |
12 | 57 (85) | 23 | 7–70 |