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Comparison of time-to-positivity for 690 isolates obtained from both a positive MGIT liquid medium and a positive solid medium culture
| Isolate | Average TTP liquid medium (days) | Average TTP solid medium (days) | P value |
|---|---|---|---|
| Nontuberculous mycobacteria (n = 573) | 10 | 20 | <0.0001 |
| Mycobacterium tuberculosis complex (n = 76) | 14 | 23 | <0.0001 |
| Aerobic actinomycetes (n = 41) | 10 | 11 | 0.1539 |
| Total, all isolates | 10 | 20 | <0.0001 |
