Table 2.
Association between ethnicity and poststroke dementia results from Cox regression analyses, (n=45 474)
| 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 | 1.23 | 0.96 | 1.56 | 1.22 | 0.96 | 1.56 | 1.16 | 0.89 | 1.50 |
| Black | 1.63 | 1.24 | 2.13 | 1.60 | 1.22 | 2.09 | 1.42 | 1.05 | 1.93 |
| Mixed/Other | 1.01 | 0.74 | 1.38 | 1.01 | 0.74 | 1.38 | 0.97 | 0.68 | 1.38 |
| P value§ | 0.004 | 0.006 | 0.130 | ||||||
*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.