Variable breakdown

biochem_cvd_b1_unselected

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Section and category

Biochemistry Data.Blood biomarkers (lab)

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Description

“Was this participant included without ascertainment 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	22936	100	4.45
Yes	0	0	0.00
<NA>	492477	NA	95.55

Gwas

value	freq	pct_valid	pct_tot
No	22936	100	4.45
Yes	0	0	0.00
<NA>	492477	NA	95.55

Panel

value	freq	pct_valid	pct_tot
No	22936	100	4.45
Yes	0	0	0.00
<NA>	492477	NA	95.55

Resurvey 1

value	freq	pct_valid	pct_tot
No	3803	99.95	19.20
Yes	2	0.05	0.01
<NA>	15998	NA	80.79

Resurvey 2

value	freq	pct_valid	pct_tot
No	4499	100	17.82
Yes	0	0	0.00
<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	0	-0.024	0.981

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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