Association between ethnicity and poststroke dementia results from Cox regression analyses, for HES linked data (n=38 385)
| Ethnicity | Crude HR* | 95% CI | Partially adjusted HR† | 95% CI | Full model (without Uncontrolled HT and Diabetes)‡ | 95% CI | |||
| Lower | Upper | Lower | Upper | Lower |
Upper | ||||
| White | 1 | 1 | 1 | ||||||
| South Asian | 1.34 | 1.06 | 1.71 | 1.34 | 1.05 | 1.71 | 1.30 | 1.00 | 1.69 |
| Black | 1.67 | 1.27 | 2.21 | 1.64 | 1.24 | 2.16 | 1.46 | 1.07 | 2.01 |
| Mixed/Other | 1.11 | 0.81 | 1.53 | 1.11 | 0.81 | 1.53 | 1.12 | 0.78 | 1.62 |
| P value*§ | <0.001 | 0.001 | 0.037 | ||||||
*Adjusting for age by using age as underlying timescale.
†Adjusting for age, sex, IMD.
‡Adjusting for above; prescriptions: statins, immunosuppressives, antiplatelets; alcohol, smoking; history before stroke: MI, atrial fibrillations, consultations per year.
§Obtained using likelihood ratio test.
IMD, Index of Multiple Deprivation.