: Data-Field 3066

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Data

1,415,312 items of data are available, covering 457,203 participants.
Defined-instances run from 0 to 3, labelled using Instancing 2.
Array indices run from 0 to 2.

Average compound dataset is 3.7Kb, largest is 20Kb.

4 Instances

Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
453,374 participants, 1,240,182 items
Data not meaningful for statistical summary

Instance 1 : First repeat assessment visit (2012-13)
18,097 participants, 49,566 items
Data not meaningful for statistical summary

Instance 2 : Imaging visit (2014+)
43,114 participants, 117,746 items
Data not meaningful for statistical summary

Instance 3 : First repeat imaging visit (2019+)
2,915 participants, 7,818 items
Data not meaningful for statistical summary

Notes

This field contains a comma-separated series of values that can be used to draw the curve.

The first field is the blow-number (i.e. the order of the blow in a set of blows done by the participant);
The second field is the number of points in the dataset following;
The third and subsequent points give the volume in mililitres of the exhalation at 10 milisecond intervals.

10 Related Data-Fields

Field ID	Description	Relationship
3061	Acceptability of each blow result	Field 3061 is the acceptability of curve Current Field
20031	Acceptability of each blow result (text)	Field 20031 is the acceptability of curve Current Field
3088	Contra-indications for spirometry	Field 3088 indicates contra-indications for Current Field
10697	Data points for blow (pilot)	Field 10697 is the pilot-study predecessor of main-study Current Field
3063	Forced expiratory volume in 1-second ...	Field 3063 is the FEV1 derived from curve Current Field
3062	Forced vital capacity (FVC)	Field 3062 is the FVC derived from curve Current Field
3065	Ordering of blows	Field 3065 is the testing order of curve Current Field
3064	Peak expiratory flow (PEF)	Field 3064 is the PEF derived from curve Current Field
3059	Result ranking	Field 3059 is the result ranking of curve Current Field
3060	Time of blow measurement	Field 3060 is the time-stamp for curve Current Field

13 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 exhalation volume curve example	3
	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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