Table 2. Standardised Hospitalisation Ratio, Relative Risk, Absolute Excess Risk and Excess Hospitalisation Ratio of any and specific cerebrovascular events according to attained age.

Cerebrovascular Event	Attained Age (years)	O	SHR (95% CI)	RR (95% CI)*	AER (95% CI)	EHR (95% CI)*
Any CV Event (ICD10: I60-I68)	20-44	549	2.0 (1.9,2.2)	1.0 Ref	3.7 (3.1,4.3)	1.0 Ref
	45-49	433	1.5 (1.3,1.6)	0.9 (0.7,1.0)	3.7 (2.6,4.7)	1.6 (1.2,2.2)
	50-54	512	1.5 (1.4,1.7)	0.9 (0.8,1.1)	6.1 (4.5,7.6)	2.1 (1.4,2.9)
	54-59	455	1.3 (1.2,1.4)	0.9 (0.7,1.0)	5.4 (3.3,7.4)	2.4 (1.5,3.6)
	60+	833	1.1 (1.0,1.2)	0.8 (0.7,1.0)	3.5 (0.9,6.2)	2.4 (1.5,4.1)
	P-trend		<0.001	0.086	0.122	<0.001
Cerebral Haemorrhage(ICD10: I61-I62)	20-44	193	3.6 (3.1,4.2)	1.0 Ref	1.8 (1.5,2.2)	1.0 Ref
	45-49	110	2.2 (1.8,2.6)	0.7 (0.6,0.9)	1.6 (1.0,2.1)	1.1 (0.7,1.6)
	50-54	106	1.9 (1.6,2.3)	0.7 (0.5,1.0)	1.7 (1.0,2.4)	1.2 (0.7,2.0)
	54-59	92	1.7 (1.4,2.1)	0.7 (0.5,1.0)	1.9 (1.0,2.8)	1.1 (0.6,2.2)
	60+	117	1.2 (1.0,1.4)	0.6 (0.4,0.8)	0.7 (-0.2,1.7)	1.0 (0.4,2.3)
	P-trend		<0.001	0.016	0.137	0.610
Cerebral infarction (ICD10: I63, I65-66)	20-44	197	2.2 (1.9,2.5)	1.0 Ref	1.4 (1.0,1.8)	1.0 Ref
	45-49	191	1.8 (1.5,2.0)	0.9 (0.7,1.1)	2.2 (1.5,2.9)	2.7 (1.8,4.1)
	50-54	242	1.8 (1.6,2.0)	0.9 (0.7,1.2)	3.7 (2.7,4.8)	3.7 (2.3,6.0)
	54-59	238	1.6 (1.4,1.8)	0.8 (0.6,1.1)	4.2 (2.7,5.7)	5.1 (2.9,8.8)
	60+	428	1.1 (1.0,1.3)	0.7 (0.5,0.9)	2.5 (0.6,4.4)	5.6 (2.9,10.8)
	P-trend		<0.001	0.018	<0.001	<0.001
Other CV event (ICD10: I64, I67-I68)	20-44	161	1.8 (1.6,2.1)	1.0 Ref	1.0 (0.6,1.3)	1.0 Ref
	45-49	160	1.6 (1.3,1.8)	1.0 (0.8,1.3)	1.5 (0.8,2.2)	3.0 (1.9,4.9)
	50-54	207	1.6 (1.4,1.9)	1.1 (0.9,1.4)	2.8 (1.8,3.8)	4.4 (2.6,7.4)
	54-59	184	1.3 (1.2,1.6)	1.0 (0.7,1.3)	2.3 (1.0,3.6)	4.6 (2.5,8.7)
	60+	402	1.1 (1.0,1.3)	0.9 (0.7,1.3)	2.3 (0.5,4.2)	6.4 (3.1,12.9)
	P-trend		<0.001	0.605	<0.001	<0.001

Abbreviations: CV=cerebrovascular; ICD= International classification of disease; O= observed; SHR=standardised hospitalisation ratio; AER=absolute excess risk; CI=confidence interval; RR=relative risk; EHR=excess hospitalisation ratio; ref= reference level

^*Multivariable models and p-values are adjusted for cancer diagnosis, sex, age at cancer diagnosis, decade of cancer diagnosis and attained age