TABLE 2.
Comparison of rates of reinfection between groups by Fisher's exact test
| Characteristica | Reinfection | Reactivation | P |
|---|---|---|---|
| Patient characteristics | |||
| Age (median) | 53.5 yr | 47.5 yr | 0.708 |
| IDC (no./total) | 2/5 | 4/27 | 0.228 |
| HIV infection (no./total) | 1/5 | 9/27 | 1.000 |
| Interval (median) | 24 mo | 13 mo | 0.357 |
| M. tuberculosis strain characteristics | |||
| MDR∗ (no./total) | 2/5 | 15/27 | 0.645 |
| Clustered with HIV∗ (no./total) | 2/3 | 12/19 | 1.000 |
| Clustered with MDR∗ (no./total) | 1/3 | 11/19 | 0.571 |
| Clustered with IDC∗ (no./total) | 0/3 | 4/19 | 1.000 |
a
IDC, immigrants from developing countries; MDR, multidrug resistant. Asterisks refer to strains responsible for the second episode.