Table 3. CHA2DS2-VASc scoring system.
| Risk factor | Score | 
| Chronic heart failure | 1 | 
| Hypertension | 1 | 
| Age . 75 years | 2 | 
| Diabetes | 1 | 
| Previous stroke/transient ischaemic attack | 2 | 
| Vascular disease | 1 | 
| Age 65–74 years | 1 | 
| Gender category (female) | 1 | 
| Risk factor | Score | 
| Chronic heart failure | 1 | 
| Hypertension | 1 | 
| Age . 75 years | 2 | 
| Diabetes | 1 | 
| Previous stroke/transient ischaemic attack | 2 | 
| Vascular disease | 1 | 
| Age 65–74 years | 1 | 
| Gender category (female) | 1 |