Variable breakdown

fvc_max_x100

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Section and category

Physical Exam.Lung function

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Description

“Max FVC measurement (of the two taken)”

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Additional information

	Metadata
contents	No. of litres (x100)
soft_min	70
soft_max	600
hard_min	10
hard_max	800
is_mandatory	No

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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
267.82	75.9	10	215	261	315	689	72.65	100	0.28	0.42	0	0.16	515413	100

Qc

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
269.35	72.13	60	220	263	312	575	68.2	92	0.27	0.45	0.02	0.38	15816	100

Resurvey 1

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
290.15	90.84	13	228	282	345	790	85.99	117	0.31	0.47	0.02	0.48	19480	98.37

Resurvey 2

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
288.91	93.71	24	226	279	344	800	85.99	118	0.32	0.66	0.02	1.12	24298	96.22

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Between-survey agreement

[1] “Spearman’s correlation matrix:”

	Baseline	Qc	Resurvey1	Resurvey2
Baseline	1.000	0.869	0.722	0.636
Qc	0.869	1.000	0.722	0.639
Resurvey1	0.722	0.722	1.000	0.649
Resurvey2	0.636	0.639	0.649	1.000

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Page generated: 27-02-2024