: Data-Field 26301

Data-Field 26301

Description:	Quantitative susceptibility mapping images - NIFTI
Category:	Assessment centre ⏵ Imaging ⏵ Brain MRI ⏵ UKB brain imaging pipeline ⏵ Susceptibility weighted brain MRI

Participants

73,820

Text

Both sexes

Feb 2023

78,076

Bulk

Defined (2)

Aug 2025

Accruing

Derived

o2 s3

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Data

78,076 bulk items are available, covering 73,820 participants.
Defined-instances run from 2 to 3, labelled using Instancing 2.

The values held within this field are coded links to files held within a bulk repository, not the actual data itself.

2 Instances

Instance 2 : Imaging visit (2014+)
73,443 participants, 73,443 items
Data not meaningful for statistical summary

Instance 3 : First repeat imaging visit (2019+)
4,633 participants, 4,633 items
Data not meaningful for statistical summary

Notes

Quantitative susceptibility mapping images (derived from swMRI data) in NIFTI format. The source swMRI DICOM image was acquired using the following parameters:

Resolution: 0.8x0.8x3 mm
Field-of-view: 256x288x48 matrix
Duration: 2.5 minutes
Two echos, TE=9.42,20 ms
3D, axial, in-plane acceleration iPAT=2, partial Fourier = 7/8, prescan-normalise

The average size of these NIFTI datasets is 25 MB per participant.

0 Related Data-Fields

There are no related data-fields

3 Resources

Preview	Name	Res ID
	Example of quantitative susceptibility mapping images in NIFTI format	26301
	Mapping of FMRIB brain pipeline headers to UKB fields	2006
	Primary brain imaging documentation	1977

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