Intensive Treatment Unit (ITU) patient characteristics that had blood film examined
| Characteristics | |
| Age (years, median) | 62 (IQR: 55–74) |
| Antiplatelets (no of patients) | 4/20 |
| Anticoagulation (no of patients) | 0/20 |
| Duration of illness (days, median) | 9 (IQR: 8–16) |
| Previous history of arterial or venous thrombosis (no of patients) | 0/20 |