Table 5. Clinical characteristics according to presence of relapse.
| Variable | Relapse group (n=4) | Relapse-free group (n=18) | P value |
|---|---|---|---|
| Age at operation (years) | 64.0 | 63.3 | 0.9660 |
| Gender | 0.8400 | ||
| Male | 2 | 8 | |
| Female | 2 | 10 | |
| Mycobacteria species | 0.2973 | ||
| M. avium | 4 | 14 | |
| M. intracellular | 0 | 4 | |
| Surgical procedures | 0.5291 | ||
| Segmentectomy | 1 | 5 | |
| Lobectomy | 3 | 9 | |
| Pneumonectomy | 0 | 4 | |
| Resection status | 0.0946 | ||
| Complete resection | 0 | 8 | |
| Incomplete resection | 4 | 10 | |
| Destruction of respiratory tract | 4 (100.0%) | 14 (77.8%) | 0.2973 |
| Dispersion lesion | 4 (100.0%) | 15 (83.3%) | 0.3796 |
| Median duration of preoperative chemotherapy (months) | 15.0 | 4.5 | 0.1856 |
| Median duration of postoperative chemotherapy (months) | 22.5 | 12.0 | 0.3900 |