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Evaluation of Assessment of Spondyloarthritis International Society classification criteria for axial spondyloarthritis in Chinese patients with chronic back pain: results of a 2-year follow-up study.
Int J Rheum Dis 2014; 17(7):782-9IJ

Abstract

OBJECTIVE

To evaluate the diagnotic value of the Assessment of Spondyloarthritis International Society (ASAS) classification criteria for axial spondyloarthritis (SpA) in Chinese patients with chronic back pain and without radiographic sacroiliitis in a 2-year follow-up study.

METHODS

Patients with chronic back pain ≥ 3 months, onset age ≤ 45 years and without radiographic sacroiliitis were enrolled, and then received 2-year follow-up. All the clinical parameters associated with SpA were recorded. The patients were followed for 2 years and the final diagnosis of axial SpA or non-SpA was confirmed by rheumatologists. Diagnostic concordance between the initial classification according to three classification criteria (ASAS criteria for axial SpA, European Spondylarthropathy Study Group (ESSG) criteria and Amor criteria) and final diagnosis was compared. Diagnostic sensitivity and specificity were compared between the two subsets of ASAS criteria (set 1: sacroiliitis plus more than one SpA feature; set 2: HLA-B27 plus two more SpA features).

RESULT

One thousand and sixty-eight patients entered the study and 867 completed the 2-year follow-up (455 axial SpA and 412 non-SpA). The concordance of ASAS criteria was better than ESSG and Amor criteria. Three hundred and thirty-three patients and 335 patients were classified as axial SpA according to the ASAS set 1 and set 2 of criteria, respectively. Further, set 1 of criteria (318/333) showed higher specificity than set 2 critera (279/335) (P = 0.000).

CONCLUSION

The ASAS classification criteria for axial SpA showed good concordance in diagnosing Chinese axial SpA patients in this prospective study. Set 1 criteria involving sacroiliitis plus more than one SpA feature had better diagnosing value.

Authors+Show Affiliations

Rheumatology Department, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Evaluation Study
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

24912101

Citation

Lin, Zhiming, et al. "Evaluation of Assessment of Spondyloarthritis International Society Classification Criteria for Axial Spondyloarthritis in Chinese Patients With Chronic Back Pain: Results of a 2-year Follow-up Study." International Journal of Rheumatic Diseases, vol. 17, no. 7, 2014, pp. 782-9.
Lin Z, Liao Z, Huang J, et al. Evaluation of Assessment of Spondyloarthritis International Society classification criteria for axial spondyloarthritis in Chinese patients with chronic back pain: results of a 2-year follow-up study. Int J Rheum Dis. 2014;17(7):782-9.
Lin, Z., Liao, Z., Huang, J., Jin, O., Li, Q., Li, T., ... Gu, J. (2014). Evaluation of Assessment of Spondyloarthritis International Society classification criteria for axial spondyloarthritis in Chinese patients with chronic back pain: results of a 2-year follow-up study. International Journal of Rheumatic Diseases, 17(7), pp. 782-9. doi:10.1111/1756-185X.12381.
Lin Z, et al. Evaluation of Assessment of Spondyloarthritis International Society Classification Criteria for Axial Spondyloarthritis in Chinese Patients With Chronic Back Pain: Results of a 2-year Follow-up Study. Int J Rheum Dis. 2014;17(7):782-9. PubMed PMID: 24912101.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Evaluation of Assessment of Spondyloarthritis International Society classification criteria for axial spondyloarthritis in Chinese patients with chronic back pain: results of a 2-year follow-up study. AU - Lin,Zhiming, AU - Liao,Zetao, AU - Huang,Jianlin, AU - Jin,Ou, AU - Li,Qiuxia, AU - Li,Tianwang, AU - Hu,Zaiying, AU - Xu,Manlong, AU - Pan,Yunfeng, AU - Zhang,Yanli, AU - Yang,Mingcan, AU - Gu,Jieruo, Y1 - 2014/06/09/ PY - 2014/6/10/entrez PY - 2014/6/10/pubmed PY - 2015/7/30/medline KW - Amor criteria KW - Assessment of Spondyloarthritis International Society criteria KW - European Spondylarthropathy Study Group criteria KW - axial SpA KW - diagnostic concordance KW - diagnostic value SP - 782 EP - 9 JF - International journal of rheumatic diseases JO - Int J Rheum Dis VL - 17 IS - 7 N2 - OBJECTIVE: To evaluate the diagnotic value of the Assessment of Spondyloarthritis International Society (ASAS) classification criteria for axial spondyloarthritis (SpA) in Chinese patients with chronic back pain and without radiographic sacroiliitis in a 2-year follow-up study. METHODS: Patients with chronic back pain ≥ 3 months, onset age ≤ 45 years and without radiographic sacroiliitis were enrolled, and then received 2-year follow-up. All the clinical parameters associated with SpA were recorded. The patients were followed for 2 years and the final diagnosis of axial SpA or non-SpA was confirmed by rheumatologists. Diagnostic concordance between the initial classification according to three classification criteria (ASAS criteria for axial SpA, European Spondylarthropathy Study Group (ESSG) criteria and Amor criteria) and final diagnosis was compared. Diagnostic sensitivity and specificity were compared between the two subsets of ASAS criteria (set 1: sacroiliitis plus more than one SpA feature; set 2: HLA-B27 plus two more SpA features). RESULT: One thousand and sixty-eight patients entered the study and 867 completed the 2-year follow-up (455 axial SpA and 412 non-SpA). The concordance of ASAS criteria was better than ESSG and Amor criteria. Three hundred and thirty-three patients and 335 patients were classified as axial SpA according to the ASAS set 1 and set 2 of criteria, respectively. Further, set 1 of criteria (318/333) showed higher specificity than set 2 critera (279/335) (P = 0.000). CONCLUSION: The ASAS classification criteria for axial SpA showed good concordance in diagnosing Chinese axial SpA patients in this prospective study. Set 1 criteria involving sacroiliitis plus more than one SpA feature had better diagnosing value. SN - 1756-185X UR - https://www.unboundmedicine.com/medline/citation/24912101/Evaluation_of_Assessment_of_Spondyloarthritis_International_Society_classification_criteria_for_axial_spondyloarthritis_in_Chinese_patients_with_chronic_back_pain:_results_of_a_2_year_follow_up_study_ L2 - https://doi.org/10.1111/1756-185X.12381 DB - PRIME DP - Unbound Medicine ER -