Table 5.
Comorbidities and drug application.
| DNA positive (n = 30) |
DNA negative (n = 48) |
χ2 | P | |
|---|---|---|---|---|
| Chronic heart disease | 12 | 14 | 0.669 | 0.413 |
| Coronary heart disease | 8 | 10 | 0.216 | 0.642 |
| Hypertension | 14 | 22 | 0.02 | 0.886 |
| Atrial fibrillation | Fisher | 0.631 | ||
| Paroxysmal | 6 | 5 | ||
| Persistent | 3 | 6 | ||
| Permanent | 3 | 5 | ||
| Dilated cardiomyopathy | 6 | 6 | Fisher | 0.526 |
| Diabetes | 7 | 8 | 0.372 | 0.542 |
| Renal insufficiency | 6 | 2 | Fisher | 0.053 |
| Chronic systolic HF | 6 | 11 | 0.672 | |
| COPD | 2 | 3 | Fisher | 1.0 |
| Immunosuppressor | 1 | 2 | Fisher | 1.0 |
| Warfarin | 1 | 2 | Fisher | 1.0 |
| Antiplatelet drug use | 20 | 15 | 8.026 | 0.005 |
| Antibiotic use | 11 | 3 | 10.741 | 0.001 |
| Malignancy | 1 | 1 | Fisher | 1.0 |
| Bacterial infection history | 29 | 11 | 36.787 | 0.0001 |
| Surgical history | 3 | 4 | Fisher | 1.0 |
HF, heart failure; COPD, chronic obstructive pulmonary disease.