: Data-Field 5540

Data-Field 5540

Description:	Surgery/amputation of toe or leg
Category:	Assessment centre ⏵ Touchscreen ⏵ Health and medical history ⏵ Claudication and peripheral artery disease
	Health outcomes + Self-reported medical conditions

Participants

60,451

Categorical (single)

Both sexes

Jan 2012

65,277

Data

Defined (4)

Sep 2024

Complete

Primary

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Data

65,277 items of data are available, covering 60,451 participants, encoded using Data-Coding 100552.
Defined-instances run from 0 to 3, labelled using Instancing 2.

Graph illustrating main data

4 Instances

Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
39,724 participants, 39,724 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
3,889 participants, 3,889 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
19,042 participants, 19,042 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
2,622 participants, 2,622 items
Graph illustrating main data

Notes

ACE touchscreen question "Have you ever had surgery to remove any of the following?"

Field 5540 was collected from participants who indicated that they get a pain in either leg on walking, as defined by their answers to Field 4728

1 Related Data-Field

Field ID	Description	Relationship
4728	Leg pain on walking	Current Field was collected from participants who indicated that they get a pain in either leg on walking, as defined by their answers to Field 4728

2 Resources

Preview	Name	Res ID
	Screenshot from touchscreen questionnaire used to capture field 5540	100413
	Touchscreen questionnaire ordering, validation and dependencies	113241

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