: Data-Field 21139

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Data

4,110 items of data are available, covering 4,084 participants.
Defined-instances run from 2 to 3, labelled using Instancing 2.

Maximum	1
Decile 9	1
Decile 8	1
Decile 7	1
Decile 6	1
Median	1
Decile 4	1
Decile 3	1
Decile 2	1
Decile 1	1
Minimum	1

There are 1 distinct values.
Mean = 1
Std.dev = 0

2 Instances

Instance 2 : Imaging visit (2014+)
3,787 participants, 3,787 items
Too few values for statistical summary.

Instance 3 : First repeat imaging visit (2019+)
323 participants, 323 items
Too few values for statistical summary.

Notes

This flag indicates when a participants height or weight differs between that entered in the DXA machine and showcase value (Datafield 50, 21002) by more than 5%. Caution should be taken when using data from these participants as the data may be of lower quality.

0 Related Data-Fields

There are no related data-fields

5 Resources

Preview	Name	Res ID
	DXA Measurement Error Threshold	40441
	DXA procedure within UKB imaging centre	502
	Participant being prepared for side-scan on DXA	1026
	Participant side position on DXA scanner	356
	Participant supine position on DXA scanner	365

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