: 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

54,525

Categorical (single)

Both sexes

Jan 2012

57,766

Data

Defined (4)

Mar 2023

Complete

Primary

d1 o1 s1

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Data

57,766 items of data are available, covering 54,525 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
39,739 participants, 39,739 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
3,891 participants, 3,891 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
13,142 participants, 13,142 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
994 participants, 994 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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