Distribution of 3309 patients with first stroke or recurrent stroke and any history of AF according to sex and previous history of stroke, admitted to hospitals in Surrey between January 2014 and February 2016
| Patients presented with first stroke (n=2543) | Patients presented with recurrent stroke (n=766) | χ² test for group differences | ||||
| N | Proportion (%) | N | Proportion (%) | χ2 | P values | |
| Sex (male:female) | 1288:1255 | 50.6:49.4 | 368:398 | 48.0:52.0 | 1.0 | 0.206 |
| History of AF admitted with ischaemic stroke | 371 | 17.5 | 193 | 30.4 | 50.1 | <0.001 |
| History of AF admitted with haemorrhagic stroke | 61 | 15.6 | 38 | 30.2 | 13.1 | <0.001 |
| History of AF admitted with ischaemic or haemorrhagic stroke | 435* | 17.1 | 231* | 30.2 | 62.4 | <0.001 |
*Information on type of stroke was not specified in three cases.
AF, atrial fibrillation.