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Conference Paper: A comparison of the performance of the Assessment of SpondyloArhritis international Society (ASAS) classification criteria, European Spondyloarthropathy Study Group (ESSG) classification criteria, and Modified New York (MNY) criteria in a cohort of Chinese spondyloarthritis patients

TitleA comparison of the performance of the Assessment of SpondyloArhritis international Society (ASAS) classification criteria, European Spondyloarthropathy Study Group (ESSG) classification criteria, and Modified New York (MNY) criteria in a cohort of Chinese spondyloarthritis patients
Authors
KeywordsMedical sciences
Issue Date2010
PublisherHong Kong Academy of Medicine Press. The Journal's web site is located at http://www.hkmj.org.hk
Citation
The 15th Medical Research Conference (15th MRC), Department of Medicine, University of Hong Kong, Hong Kong, 16 January 2010. In Hong Kong Medical Journal, 2010, v. 16 n. 1, suppl. 1, p. 18, abstract no. 20 How to Cite?
Abstract
BACKGROUND: The existing Modified New York (MNY) criteria and European Spondyloarthropathy Study Group (ESSG) criteria are defective in early diagnosis of patients with spondyloarthritis. The objective of this study was to reclassify a Chinese cohort of patients with previous expert-diagnosed spondyloarthritis according to the recently issued Assessment of SpondyloArthritis international Society (ASAS) classification criteria for axial spondyloarthritis and the two existing criteria, the ESSG criteria and MNY criteria and to compare the clinical characteristics including disease duration, disease activity, and spinal mobility between patients fulfilling these criteria. METHODS: Consecutive patients diagnosed by expert opinion from a tertiary centre were classified into three groups: the Ankylosing Spondyloarthritis (AS) by MNY criteria; undifferentiated spondyloarthritis (USpA) by ESSG criteria (USpA/ESSG), and those by ASAS classification criteria only (USpA/ASAS). Functional status was studied by Bath Ankylosing Spondylitis Functional Index (BASFI). Disease activity was evaluated by Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) and C-reactive protein. Spinal mobility including modified Schober test and chest expansion was determined. RESULTS: A total of 128 spondyloarthritis patients (92 male and 36 female) were recruited. USpA/ASAS group identified patients with shortest disease duration (9.2±2.3 years, 11.6±3.8, 18.7±2.2 years in USpA/ASAS group, USpA group, and AS group respectively; P<0.01). USpA/ASAS and USpA/ESSG groups were better than AS group in terms of BASFI, modified Schober test and chest expansion. C-reactive protein and BASDAI were similar in the three groups. CONCLUSION: The ASAS classification criteria are shown to identify spondyloarthritis patients at an earlier stage when spinal mobility and functional status are preserved. This group of USpA patients demonstrated comparable disease activity to other groups, suggesting a need and predictably better outcome for early treatment.
Persistent Identifierhttp://hdl.handle.net/10722/129837
ISSN
2013 SCImago Journal Rankings: 0.293

 

DC FieldValueLanguage
dc.contributor.authorChung, HYen_US
dc.contributor.authorWong, RWSen_US
dc.contributor.authorMok, MYen_US
dc.date.accessioned2010-12-23T08:42:47Z-
dc.date.available2010-12-23T08:42:47Z-
dc.date.issued2010en_US
dc.identifier.citationThe 15th Medical Research Conference (15th MRC), Department of Medicine, University of Hong Kong, Hong Kong, 16 January 2010. In Hong Kong Medical Journal, 2010, v. 16 n. 1, suppl. 1, p. 18, abstract no. 20en_US
dc.identifier.issn1024-2708-
dc.identifier.urihttp://hdl.handle.net/10722/129837-
dc.description.abstractBACKGROUND: The existing Modified New York (MNY) criteria and European Spondyloarthropathy Study Group (ESSG) criteria are defective in early diagnosis of patients with spondyloarthritis. The objective of this study was to reclassify a Chinese cohort of patients with previous expert-diagnosed spondyloarthritis according to the recently issued Assessment of SpondyloArthritis international Society (ASAS) classification criteria for axial spondyloarthritis and the two existing criteria, the ESSG criteria and MNY criteria and to compare the clinical characteristics including disease duration, disease activity, and spinal mobility between patients fulfilling these criteria. METHODS: Consecutive patients diagnosed by expert opinion from a tertiary centre were classified into three groups: the Ankylosing Spondyloarthritis (AS) by MNY criteria; undifferentiated spondyloarthritis (USpA) by ESSG criteria (USpA/ESSG), and those by ASAS classification criteria only (USpA/ASAS). Functional status was studied by Bath Ankylosing Spondylitis Functional Index (BASFI). Disease activity was evaluated by Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) and C-reactive protein. Spinal mobility including modified Schober test and chest expansion was determined. RESULTS: A total of 128 spondyloarthritis patients (92 male and 36 female) were recruited. USpA/ASAS group identified patients with shortest disease duration (9.2±2.3 years, 11.6±3.8, 18.7±2.2 years in USpA/ASAS group, USpA group, and AS group respectively; P<0.01). USpA/ASAS and USpA/ESSG groups were better than AS group in terms of BASFI, modified Schober test and chest expansion. C-reactive protein and BASDAI were similar in the three groups. CONCLUSION: The ASAS classification criteria are shown to identify spondyloarthritis patients at an earlier stage when spinal mobility and functional status are preserved. This group of USpA patients demonstrated comparable disease activity to other groups, suggesting a need and predictably better outcome for early treatment.-
dc.languageengen_US
dc.publisherHong Kong Academy of Medicine Press. The Journal's web site is located at http://www.hkmj.org.hk-
dc.relation.ispartofHong Kong Medical Journalen_US
dc.rightsHong Kong Medical Journal. Copyright © Hong Kong Academy of Medicine Press.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectMedical sciences-
dc.titleA comparison of the performance of the Assessment of SpondyloArhritis international Society (ASAS) classification criteria, European Spondyloarthropathy Study Group (ESSG) classification criteria, and Modified New York (MNY) criteria in a cohort of Chinese spondyloarthritis patientsen_US
dc.typeConference_Paperen_US
dc.identifier.emailWong, RWS: rwswong@hkucc.hku.hken_US
dc.identifier.emailMok, MY: temy@hkucc.hku.hken_US
dc.identifier.authorityMok, MY=rp00490en_US
dc.description.naturepublished_or_final_version-
dc.identifier.hkuros177403en_US
dc.identifier.volume16en_US
dc.identifier.issue1, suppl. 1-
dc.identifier.spage18en_US
dc.identifier.epage18-
dc.publisher.placeHong Kong-
dc.description.otherThe 15th Medical Research Conference (15th MRC), Department of Medicine, University of Hong Kong, Hong Kong, 16 January 2010. In Hong Kong Medical Journal, 2010, v. 16 n. 1, suppl. 1, p. 18, abstract no. 20-

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