Variable breakdown

stroke_or_tia_diag_age

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Section and category

Medical History.Personal

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Description

“Age at first diagnosis of a stroke or TIA”

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Additional information

	Metadata
validation	Hard max: Current age
contents	Age in years
soft_min	15
is_mandatory	No
is_dependent_on	stroke_or_tia_diag

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Data summary

Baseline

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
56.08	9.43	2	50	57	63	79	10.38	13	0.17	-0.52	0.03	0.55	8939	1.73

Resurvey 1

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
57.82	9.27	24	51	58.5	65	78	9.64	14	0.16	-0.36	0.12	-0.04	426	2.15

Resurvey 2

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
59.28	10.24	18	53	60	66	82	10.38	13	0.17	-0.51	0.08	0.69	856	3.39

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Between-survey agreement

[1] “Spearman’s correlation matrix:”

	Baseline	Resurvey1	Resurvey2
Baseline	1.000	0.935	0.813
Resurvey1	0.935	1.000	0.866
Resurvey2	0.813	0.866	1.000

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International Coordinating Centre, China Kadoorie Biobank (CKB), CTSU, Nuffield Department of Population Health, University of Oxford Old Road Campus, Headington, Oxford, OX3 7LF

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Copyright China Kadoorie Biobank (CKB), University of Oxford, (2024)

Page generated: 27-02-2024