Table 4.

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.