Table 2.
Summary statistics of screening time to positivity in days, by sputum culture conversion status
| Time to positivity value analyzed | Converter status | N | Median | Inter-quartile range | Range | Mean | Standard deviation |
|---|---|---|---|---|---|---|---|
| Shortest | Any | 71 | 4.5 | 3.6 | 2.1, 24.6 | 6.0 | 4.1 |
| Yes | 10 | 10.5* | 9.4 | 4.5, 24.6 | 11.2 | 6.4 | |
| No | 61 | 4.2* | 2.8 | 2.1, 13.8 | 5.2 | 2.9 | |
| Longest | Any | 71 | 7.0 | 4.8 | 2.5, 24.6 | 7.9 | 4.6 |
| Yes | 10 | 10.9† | 7.0 | 5.8, 24.6 | 12.1 | 5.6 | |
| No | 61 | 6.3† | 4.3 | 2.5, 22.4 | 7.2 | 4.1 |
*p = 0.0002 for comparison of median shortest TTP for the group with vs. without culture conversion
†p = 0.0013 for comparison of median longest TTP for the group with vs. without culture conversion