Table 3.

Spearman's correlation between proportions of risk factors and increasing age within three different age groups

	15–49 years	P	50–74 years	P	≥75 years	P
Risk factors
Hypertension	0.19	0.005	0.16	<0.001	−0.01	0.60
Diabetes mellitus	0.11	0.09	0.07	0.01	−0.06	0.03
Atrial fibrillation	0.02	0.71	0.12	<0.001	0.02	0.37
Active smoking	0.14	0.03	−0.12	<0.001	−0.21	<0.001
History of CVD
Prior stroke	−0.05	0.41	0.07	0.01	0.007	0.79
Prior TIA	0.06	0.32	0.06	0.04	0.02	0.40
Myocardial infarction	0.05	0.38	0.07	0.01	0.03	0.31
Pectoral angina	0.06	0.31	0.11	<0.001	0.05	0.05
Peripheral artery disease	0.03	0.64	0.12	<0.001	−0.03	0.29
Stroke subtype (TOAST)
Large‐artery atherosclerosis	0.08	0.20	0.12	<0.001	−0.13	<0.001
Cardioembolism	−0.26	<0.001	0.08	0.004	0.09	<0.001
Small‐vessel occlusion	0.12	0.06	−0.11	<0.001	−0.06	0.02
Stroke of other determined cause	−0.10	0.12	−0.14	<0.001	0.0007	0.10
Stroke of undetermined cause	0.21	<0.001	−0.03	0.21	0.03	0.26

TIA, transient ischaemic attack; CVD, cardiovascular disease; TOAST, Trial of Org 10172 in Acute Stroke Treatment 1.