| Group | Number of cases | Hypertension | Atrial fibrillation or valvular heart disease | Smoking | Dyslipidemia | Diabetes | Less physical exercise | Obviously overweight | Family history of stroke |
| Male | 484 | 195 (40.29) | 17 (3.51) | 184 (38.02) | 120 (24.79) | 76 (15.70) | 133 (27.48) | 98 (20.25) | 53 (10.95) |
| Female | 576 | 195 (33.85) | 19 (3.30) | 23 (3.99) | 135 (23.44) | 83 (14.41) | 128 (22.22) | 94 (16.32) | 68 (11.81) |
| χ2 |
| 4.683 | 0.370 | 193.737 | 0.256 | 0.345 | 3.916 | 2.737 | 0.190 |
| P |
| >0.05 | >0.05 | <0.05 | >0.05 | >0.05 | >0.05 | >0.05 | >0.05 |