Categorisation of Foot Complaints in Systemic Lupus Erythematosus (SLE) From a New Zealand Cohort

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aut.relation.journalJournal of Foot and Ankle Researchen_NZ
aut.researcherRome, Keith
dc.contributor.authorOtter, Sen_NZ
dc.contributor.authorRohan, Men_NZ
dc.contributor.authorDavies, Ken_NZ
dc.contributor.authorKumar, Sen_NZ
dc.contributor.authorGow, Pen_NZ
dc.contributor.authorDalbeth, Nen_NZ
dc.contributor.authorCorkhill, Men_NZ
dc.contributor.authorPanthakalem, Sen_NZ
dc.contributor.authorRome, Ken_NZ
dc.date.accessioned2017-07-27T22:40:25Z
dc.date.available2017-07-27T22:40:25Z
dc.date.copyright2017-07-28en_NZ
dc.date.issued2017-07-28en_NZ
dc.description.abstractBackground: Foot complaints have been shown to be common in systemic lupus erythematosus (SLE) and heterogeneous in nature. We aimed to categorize self-reported foot complaints in people with SLE and foot symptoms. Methods: A self-administered validated questionnaire was posted to 406 people with SLE attending adult rheumatology clinics across three health boards in Auckland, New Zealand. In addition to foot pain, vascular complaints, dermatological lesions and neurological symptoms were included in the analysis. Pairwise correlations among the variables were undertaken followed by factor analysis to identify and categorise associations between reported foot complaints. Results: From the questionnaires returned, 93 full datasets were analysed. Participants’ were predominantly female (n = 87, 93.7%), with mean (SD) age of 50.4 (14.3) years and a mean (SD) disease duration of 13.1 (11) years. Three categories of foot complaint were determined: ‘foot pain’, ‘skin disorders’ and ‘vascular insufficiency’. These three groups provided the best fit (0.91) to describe the wide range of foot complaints reported by those with SLE. Factor analysis for foot pain demonstrated a high positive loading for the inter-correlation of foot pain in past month (0.83), foot pain today (0.71), intermittent claudication (0.71), numbness (0.62), loss of balance (0.81), swelling (0.59), foot joint pain (0.77), arch pain (0.68) and tendon pain (0.77). Skin disorders demonstrated a very high positive loading for 3 factors skin rash (0.82), blistering skin rash (0.95) and foot ulceration (0.88). In vascular insufficiency a high positive loading for cold feet (0.83), chilblains (0.76) and Raynaud’s phenomenon (0.70). Conclusions: This work suggests people with SLE report three independent categories of foot complaints; foot pain, skin disorders or vascular insufficiency.
dc.identifier.citationJournal of Foot and Ankle Research201710:33
dc.identifier.doi10.1186/s13047-017-0217-2
dc.identifier.urihttps://hdl.handle.net/10292/10702
dc.publisherBioMed Central
dc.rights© The Author(s). 2017 Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
dc.rights.accessrightsOpenAccessen_NZ
dc.subjectSystemic lupus Erythematosus; Foot complaints; Foot pain; Vascular; Dermal
dc.titleCategorisation of Foot Complaints in Systemic Lupus Erythematosus (SLE) From a New Zealand Cohorten_NZ
dc.typeJournal Article
pubs.elements-id286434
pubs.organisational-data/AUT
pubs.organisational-data/AUT/Health & Environmental Science
pubs.organisational-data/AUT/Health & Environmental Science/Clinical Sciences
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