Complications during the hospitalisation
| Treated group n=86 | Control group n=86 | P value* | |
| Bacterial infection | 8/86 (9%) | 7/86 (8%) | 0.7870 |
| Pneumothorax | 2/86 (2%) | 0/86 (0%) | 0.1550 |
| Cerebrovascular accident | 1/86 (1%) | 3/86 (3%) | 0.3120 |
| Congestive heart failure | 1/86 (1%) | 1/86 (1%) | 1.0000 |
| Endocarditis/myocarditis | 0/86 (0%) | 0/86 (0%) | 1.0000 |
| Pericarditis | 0/86 (0%) | 1/86 (1%) | 0.3160 |
| Cardiac ischaemia | 0/86 (0%) | 0/86 (0%) | 1.0000 |
| New arrhythmia | 5/86 (6%) | 9/86 (10%) | 0.265 |
| Deep venous thrombosis | 2/86 (2%) | 2/86 (2%) | 1.0000 |
| Pulmonary embolism | 18/86 (21%) | 9/86 (11%) | 0.0590 |
| Renal failure | 7/86 (8%) | 12/86 (14%) | 0.2240 |
| Gastrointestinal bleeding | 0/86 (0%) | 0/86 (0%) | 1.0000 |
Data are presented as n/N (%).
*Calculated with χ2.