: Data-Field 20154

Data-Field 20154

Description:	Forced expiratory volume in 1-second (FEV1), predicted percentage
Category:	Assessment centre ⏵ Physical measures ⏵ Spirometry
	Physical measures

Participants

274,805

Continuous, percent

Both sexes

Mar 2015

274,805

Data

Defined (1)

Jun 2021

Complete

Derived

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Data

274,805 items of data are available, covering 274,805 participants.
Defined-instances run from 0 to 0, labelled using Instancing 2.
Units of measurement are percent.

Maximum	235.36
Decile 9	116.542
Decile 8	109.924
Decile 7	105.263
Decile 6	101.281
Median	97.5082
Decile 4	93.6813
Decile 3	89.4677
Decile 2	84.1956
Decile 1	76.1981
Minimum	4.57532

Mean = 96.786
Std.dev = 16.5732
193 items above graph maximum of 156.885

Notes

This value was only calculated for samples with non-missing predicted Forced Expiratory Volume in 1-second, using derived variables Force Expiratory Volume in 1-second (FEV1) and predicted Forced Expiratory Volume in 1-second (pred.FEV1). It is defined as the Force Expiratory Volume in 1-second divided by the Percent predicted Forced Expiratory Volume in 1-second multiplied by 100:

FEV1 /pred.FEV1 * 100

This derived data field has come from Professor Martin Tobin at the University of Leicester.

2 Related Data-Fields

Field ID	Description	Relationship
3063	Forced expiratory volume in 1-second ...	Current Field is derived using Field 3063
20153	Forced expiratory volume in 1-second ...	Current Field is derived using Field 20153

12 Resources

Preview	Name	Res ID
	Screenshot of Vitalograph after spirometry	100204
	Screenshot of Vitalograph before spirometry	100203
	Screenshot of Vitalograph start-up	100202
	Screenshot of spirometry results	100205
	Screenshot of spirometry video screen	100210
	Spirometry blow	100100
	Spirometry measurement using ACE	100246
	Spirometry preparation	100145
	Spirometry results	100146
	Spirometry training	100134
	Video demonstrating spirometry	100223
	Vitalograph splash-screen	100209

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