Table 2.
The relationship between comorbidities and recurrence
| Comorbidity | Rec | Non-rec |
|---|---|---|
| Interstitial pneumonia |
7 |
9 |
| HPa |
0 |
3 |
| BAb |
0 |
3 |
| Emphysema |
0 |
3 |
| Hematothorax |
2 |
2 |
| COPDc |
0 |
2 |
| Giant bulla |
0 |
2 |
| Hemophilia |
0 |
2 |
| Benign lung tumor |
0 |
2 |
| Empyema |
2 |
0 |
| RAd |
3 |
0 |
| Lung cancer |
1 |
1 |
| Catamenial pneumothorax |
1 |
1 |
| Extraocular myositis |
0 |
1 |
| Angiosarcoma |
0 |
1 |
| SLEe |
0 |
1 |
| AMf |
0 |
1 |
| Cystic disease of the lung | 0 | 1 |
a HP: hypersensitivity pneumonia, b BA: bronchial asthma, c COPD: chronic obstructive pulmonary disease, d RA: rheumatoid arthritis e SLE: systemic lupus erythematosis, fAM: atypical mycobacteriosis, Some subjects had several comorbidities.