The numbers and frequencies of first recurrent stroke by pathological types and clinical subtypes according to type of index stroke
| Type or subtype of index stroke | Type or subtype of recurrent stroke | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| All BI | Subtype of BI | BH | SAH | UND | Total | ||||
| LA | AT | CE | UND-BI | ||||||
| Percentages are the proportions of types or subtypes of recurrent stroke calculated using the numbers of total recurrent stroke as the denominators. | |||||||||
| AT, atherothrombotic brain infarction; BH, brain haemorrhage; BI, brain infarction; CE, cardioembolic stroke; LA, lacunar infarction; SAH, subarachnoid haemorrhage; UND, undetermined. | |||||||||
| Brain infarction | 74 (85%) | 10 (11%) | – | 3 (3%) | 87 (100%) | ||||
| Lacunar infarction | 18 (35%) | 16 (31%) | 6 (12%) | – | 9 (18%) | – | 2 (4%) | 51 (100%) | |
| Atherothrombotic brain infarction | 1 (6%) | 14 (82%) | – | 1 (6%) | 1 (6%) | – | – | 17 (100%) | |
| Cardioembolic stroke | – | – | 16 (94%) | 1 (6%) | – | – | – | 17 (100%) | |
| Undetermined subtype of BI (UND-BI) | – | – | – | 1 (50%) | – | – | 1 (50%) | 2 (100%) | |
| Brain haemorrhage | 5 | 3 (25%) | 1 (8%) | 1 (8%) | – | 7 (58%) | – | – | 12 (100%) |
| Subarachnoid haemorrhage | 2 | 1 (11%) | 1 (11%) | – | – | 1 (11%) | 6 (67%) | – | 9 (100%) |
| Undetermined type of stroke | – | – | – | – | – | – | – | – | 0 (0%) |