Variable breakdown

fvc_first_x100

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Section and category

Physical Exam.Lung function

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Description

“First FVC”

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Additional information

	Metadata
validation	Soft min: 70 or Fev1_first_x100
contents	No. of litres (x100)
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
260.51	75.81	10	207	253	307	689	72.65	100	0.29	0.42	0	0.17	515413	100

Qc

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
262.74	72.2	48	213	256	306	572	68.2	93	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
278.42	91.51	10	216	271	333	790	85.99	117	0.33	0.44	0.02	0.46	19482	98.38

Resurvey 2

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
273.19	92.9	12	210	265	329	800	87.47	119	0.34	0.59	0.02	0.92	24301	96.23

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Between-survey agreement

[1] “Spearman’s correlation matrix:”

	Baseline	Qc	Resurvey1	Resurvey2
Baseline	1.000	0.862	0.707	0.639
Qc	0.862	1.000	0.723	0.645
Resurvey1	0.707	0.723	1.000	0.650
Resurvey2	0.639	0.645	0.650	1.000

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Page generated: 27-02-2024