Variable breakdown

biochem_cvd_b1_case_sah

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Section and category

Biochemistry Data.Blood biomarkers (lab)

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Description

“Was this participant a SAH case selection for the Standard clinical biochemistries in cardiovascular disease cases and controls ?”

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Additional information

	Metadata
contents	Categorised
is_mandatory	No

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Data summary

Baseline

value	freq	pct_valid	pct_tot
No	22481	98.02	4.36
Yes	455	1.98	0.09
<NA>	492477	NA	95.55

Gwas

value	freq	pct_valid	pct_tot
No	22481	98.02	4.36
Yes	455	1.98	0.09
<NA>	492477	NA	95.55

Panel

value	freq	pct_valid	pct_tot
No	22481	98.02	4.36
Yes	455	1.98	0.09
<NA>	492477	NA	95.55

Resurvey 1

value	freq	pct_valid	pct_tot
No	3781	99.37	19.09
Yes	24	0.63	0.12
<NA>	15998	NA	80.79

Resurvey 2

value	freq	pct_valid	pct_tot
No	4472	99.4	17.71
Yes	27	0.6	0.11
<NA>	20753	NA	82.18

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Between-survey agreement

Fleiss’ Kappa for m Raters:

N.participants	Surveys	Statistic	Coefficient	Z.statistic	p.value
2856	5	Kappa	1	168.997	0

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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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Page generated: 27-02-2024