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{\u0022basePath\u0022:\u0022\\\/\u0022,\u0022pathPrefix\u0022:\u0022\u0022,\u0022highwire\u0022:{\u0022markup\u0022:[{\u0022requested\u0022:\u0022full-text\u0022,\u0022variant\u0022:\u0022full-text\u0022,\u0022view\u0022:\u0022full\u0022,\u0022pisa\u0022:\u0022spmdc;12\\\/9\\\/23\u0022},{\u0022requested\u0022:\u0022long\u0022,\u0022variant\u0022:\u0022full-text\u0022,\u0022view\u0022:\u0022full\u0022,\u0022pisa\u0022:\u0022spmdc;12\\\/9\\\/23\u0022}],\u0022ac\u0022:{\u0022spmdc;12\\\/9\\\/23\u0022:{\u0022access\u0022:{\u0022reprint\u0022:true,\u0022full\u0022:true},\u0022pisa_id\u0022:\u0022spmdc;12\\\/9\\\/23\u0022,\u0022atom_uri\u0022:\u0022\u0022,\u0022jcode\u0022:\u0022spmdc\u0022}}},\u0022googleanalytics\u0022:{\u0022trackOutbound\u0022:1,\u0022trackMailto\u0022:1,\u0022trackDownload\u0022:1,\u0022trackDownloadExtensions\u0022:\u00227z|aac|arc|arj|asf|asx|avi|bin|csv|doc(x|m)?|dot(x|m)?|exe|flv|gif|gz|gzip|hqx|jar|jpe?g|js|mp(2|3|4|e?g)|mov(ie)?|msi|msp|pdf|phps|png|ppt(x|m)?|pot(x|m)?|pps(x|m)?|ppam|sld(x|m)?|thmx|qtm?|ra(m|r)?|sea|sit|tar|tgz|torrent|txt|wav|wma|wmv|wpd|xls(x|m|b)?|xlt(x|m)|xlam|xml|z|zip\u0022,\u0022trackUrlFragments\u0022:1},\u0022ajaxPageState\u0022:{\u0022js\u0022:{\u0022sites\\\/all\\\/libraries\\\/cluetip\\\/jquery.cluetip.js\u0022:1,\u0022sites\\\/all\\\/libraries\\\/cluetip\\\/lib\\\/jquery.hoverIntent.js\u0022:1,\u0022sites\\\/all\\\/libraries\\\/cluetip\\\/lib\\\/jquery.bgiframe.min.js\u0022:1,\u0022sites\\\/all\\\/modules\\\/highwire\\\/highwire\\\/plugins\\\/highwire_markup_process\\\/js\\\/highwire_at_symbol.js\u0022:1,\u0022sites\\\/all\\\/modules\\\/highwire\\\/highwire\\\/plugins\\\/highwire_markup_process\\\/js\\\/highwire_article_reference_popup.js\u0022:1,\u0022sites\\\/all\\\/modules\\\/contrib\\\/google_analytics\\\/googleanalytics.js\u0022:1,\u00220\u0022:1}}});\n\/\/--\u003E\u003C!]]\u003E\n\u003C\/script\u003E\n\u003Clink type=\u0022text\/css\u0022 rel=\u0022stylesheet\u0022 href=\u0022\/\/d282kpwvnogo5m.cloudfront.net\/sites\/default\/files\/cdn\/css\/http\/css_Xg7z6oCTVgud_Q0huYz9x9iiD5H_2YPSJ5z2ZViSWdY.css\u0022 media=\u0022all\u0022 \/\u003E\n\u003Clink rel=\u0027stylesheet\u0027 type=\u0027text\/css\u0027 href=\u0027\/sites\/all\/modules\/contrib\/panels\/plugins\/layouts\/onecol\/onecol.css\u0027 \/\u003E\u003C\/head\u003E\u003Cbody\u003E\u003Cdiv class=\u0022panels-ajax-tab-panel panels-ajax-tab-panel-sageoa-tab-art\u0022\u003E\u003Cdiv class=\u0022panel-display panel-1col clearfix\u0022 \u003E\n  \u003Cdiv class=\u0022panel-panel panel-col\u0022\u003E\n    \u003Cdiv\u003E\u003Cdiv class=\u0022panel-pane pane-highwire-markup\u0022 \u003E\n  \n      \n  \n  \u003Cdiv class=\u0022pane-content\u0022\u003E\n    \u003Cdiv class=\u0022highwire-markup\u0022\u003E\u003Cdiv xmlns=\u0022http:\/\/www.w3.org\/1999\/xhtml\u0022 id=\u0022content-block-markup\u0022 xmlns:xhtml=\u0022http:\/\/www.w3.org\/1999\/xhtml\u0022\u003E\u003Cdiv class=\u0022article fulltext-view \u0022\u003E\u003Cspan class=\u0022highwire-journal-article-marker-start\u0022\u003E\u003C\/span\u003E\u003Cdiv class=\u0022section abstract\u0022 id=\u0022abstract-1\u0022\u003E\u003Ch2\u003ESummary\u003C\/h2\u003E\n            \u003Cp id=\u0022p-1\u0022\u003EIn 2010, the American College of Rheumatology (ACR) and the European League Against Rheumatism (EULAR) proposed new classification criteria for rheumatoid arthritis [Aletaha D et al. \u003Cem\u003EArthritis Rheum\u003C\/em\u003E 2010]. These criteria were developed with the objective that they would facilitate the identification of subjects in earlier stages of disease. This article discusses the 2010 criteria and their impact on clinical practice.\u003C\/p\u003E\n         \u003C\/div\u003E\u003Cul class=\u0022kwd-group\u0022\u003E\u003Cli class=\u0022kwd\u0022\u003EExclusive Article - For home page Guidelines\u003C\/li\u003E\u003Cli class=\u0022kwd\u0022\u003ERheumatoid Arthritis\u003C\/li\u003E\u003Cli class=\u0022kwd\u0022\u003EFeatured Meeting - Specialty page\u003C\/li\u003E\u003C\/ul\u003E\u003Cp id=\u0022p-2\u0022\u003EIn 2010, the American College of Rheumatology (ACR) and the European League Against Rheumatism (EULAR) proposed new classification criteria for rheumatoid arthritis (RA) [Aletaha D et al. \u003Cem\u003EArthritis Rheum\u003C\/em\u003E 2010]. These criteria were developed with the objective that they would facilitate the identification of subjects in earlier stages of disease. Following is a summary of 2 presentations from a session that was devoted to a discussion of the 2010 criteria and their impact on clinical practice.\u003C\/p\u003E\u003Cp id=\u0022p-3\u0022\u003EJulia Nicolau, MD, Rouen University Hospital, Rouen, France, discussed a study conducted at her institution that aimed to validate the new criteria in an independent community-based very early arthritis cohort (VErA). The validation was accomplished by comparing the performance of the new criteria against the 1987 ACR classification for the identification of RA [Arnett FC et al. \u003Cem\u003EArthritis Rheum\u003C\/em\u003E 1988]. Results of the study indicated that in this VErA cohort, the 2010 ACR\/EULAR criteria classified slightly more patients as having RA than the 1987 ACR criteria, but otherwise, they performed similarly.\u003C\/p\u003E\u003Cp id=\u0022p-4\u0022\u003EThe VErA cohort comprised 310 patients aged \u226518 years, with \u22652 swollen joints that persisted for at least 4 weeks but less than 6 months. All subjects were na\u00efve to treatment with disease-modifying antirheumatic drugs (DMARDs) and steroids and received conservative treatment for the first 2 years. The demographics of the overall population are shown in \u003Ca id=\u0022xref-table-wrap-1-1\u0022 class=\u0022xref-table\u0022 href=\u0022#T1\u0022\u003ETable 1\u003C\/a\u003E.\u003C\/p\u003E\u003Cdiv id=\u0022T1\u0022 class=\u0022table pos-float\u0022\u003E\u003Cdiv class=\u0022table-inline\u0022\u003E\u003Cdiv class=\u0022callout\u0022\u003E\u003Cspan\u003EView this table:\u003C\/span\u003E\u003Cul class=\u0022callout-links\u0022\u003E\u003Cli class=\u00220 first\u0022\u003E\u003Ca href=\u0022\/\u0022 class=\u0022table-expand-inline\u0022 data-table-url=\u0022\/highwire\/markup\/14229\/expansion?postprocessors=highwire_figures%2Chighwire_math%2Chighwire_inline_linked_media%2Chighwire_embed\u0026amp;table-expand-inline=1\u0022 html=\u00221\u0022 fragment=\u0022#\u0022 external=\u00221\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EView inline\u003C\/a\u003E\u003C\/li\u003E\u003Cli class=\u00221\u0022\u003E\u003Ca href=\u0022\/highwire\/markup\/14229\/expansion?width=1000\u0026amp;height=500\u0026amp;iframe=true\u0026amp;postprocessors=highwire_figures%2Chighwire_math%2Chighwire_inline_linked_media\u0022 class=\u0022colorbox colorbox-load table-expand-popup\u0022 rel=\u0022gallery-fragment-tables\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EView popup\u003C\/a\u003E\u003C\/li\u003E\u003Cli class=\u00222 last\u0022\u003E\u003Ca href=\u0022\/highwire\/powerpoint\/14229\u0022 class=\u0022highwire-figure-link highwire-figure-link-ppt\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EDownload powerpoint\u003C\/a\u003E\u003C\/li\u003E\u003C\/ul\u003E\u003C\/div\u003E\u003C\/div\u003E\u003Cdiv class=\u0022table-caption\u0022\u003E\u003Cspan class=\u0022table-label\u0022\u003ETable 1.\u003C\/span\u003E \n            \u003Cp id=\u0022p-5\u0022 class=\u0022first-child\u0022\u003EOverall Population (n=301).\u003C\/p\u003E\n         \u003Cdiv class=\u0022sb-div caption-clear\u0022\u003E\u003C\/div\u003E\u003C\/div\u003E\u003C\/div\u003E\u003Cp id=\u0022p-7\u0022\u003EThe objective of the study was to compare the diagnostic performance of the 2010 criteria with modification of the erosion item either by excluding it or changing the erosion threshold from 1 to 3. For both objectives, 2 gold standards were used: expert diagnosis at 6 years and the presence of \u22653 erosions at 2 years. Diagnosis was made by the consensus of a panel of 3 experts using patients\u0027 files that contained no data concerning treatment or prior ACR classification. Radiographs were read centrally by 2 experienced rheumatologists. Only \u201csignificant\u201d erosion (Sharp-van der Heijde score \u22651) was considered. After applying the algorithm, 41 patients were determined not to have RA. Forty of the remaining 269 patients had evidence of \u22651 erosion. When the scoring system for the 2010 criteria was applied to the remaining 229 subjects, 142 were diagnosed with RA and 87 were diagnosed with undifferentiated arthritis.\u003C\/p\u003E\u003Cp id=\u0022p-8\u0022\u003EAt baseline, 67.7% of subjects fulfilled the 2010 ACR\/EULAR criteria, and 59.3% fulfilled the 1987 ACR criteria (McNemar\u0027s test 0.01). When using the expert diagnosis as gold standard, the sensitivity of the ACR\/EULAR 2010 criteria was significantly higher than that of the 1987 ACR criteria but with similar specificity. When the cutoff point for typical rheumatoid erosions was modified from \u22651 to \u22653, the sensitivity was similar, but the specificity was significantly higher. The results were comparable when the erosion step was excluded. When using \u22653 erosions at 2 years as the gold standard, the performance of the 2 sets of criteria was similar. The discriminative ability of strict application of the 2010 ACR\/EULAR and 1987 ACR criteria was comparable, with areas under the curve (AUC) of 0.76 and 0.79, respectively. The AUC of the ACR\/EULAR criteria, without taking the erosion status into consideration, was significantly higher than the strict application of the AUC of the criteria: 0.82 versus 0.76 (\u003Ca id=\u0022xref-table-wrap-2-1\u0022 class=\u0022xref-table\u0022 href=\u0022#T2\u0022\u003ETable 2\u003C\/a\u003E).\u003C\/p\u003E\u003Cdiv id=\u0022T2\u0022 class=\u0022table pos-float\u0022\u003E\u003Cdiv class=\u0022table-inline\u0022\u003E\u003Cdiv class=\u0022callout\u0022\u003E\u003Cspan\u003EView this table:\u003C\/span\u003E\u003Cul class=\u0022callout-links\u0022\u003E\u003Cli class=\u00220 first\u0022\u003E\u003Ca href=\u0022\/\u0022 class=\u0022table-expand-inline\u0022 data-table-url=\u0022\/highwire\/markup\/14231\/expansion?postprocessors=highwire_figures%2Chighwire_math%2Chighwire_inline_linked_media%2Chighwire_embed\u0026amp;table-expand-inline=1\u0022 html=\u00221\u0022 fragment=\u0022#\u0022 external=\u00221\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EView inline\u003C\/a\u003E\u003C\/li\u003E\u003Cli class=\u00221\u0022\u003E\u003Ca href=\u0022\/highwire\/markup\/14231\/expansion?width=1000\u0026amp;height=500\u0026amp;iframe=true\u0026amp;postprocessors=highwire_figures%2Chighwire_math%2Chighwire_inline_linked_media\u0022 class=\u0022colorbox colorbox-load table-expand-popup\u0022 rel=\u0022gallery-fragment-tables\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EView popup\u003C\/a\u003E\u003C\/li\u003E\u003Cli class=\u00222 last\u0022\u003E\u003Ca href=\u0022\/highwire\/powerpoint\/14231\u0022 class=\u0022highwire-figure-link highwire-figure-link-ppt\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EDownload powerpoint\u003C\/a\u003E\u003C\/li\u003E\u003C\/ul\u003E\u003C\/div\u003E\u003C\/div\u003E\u003Cdiv class=\u0022table-caption\u0022\u003E\u003Cspan class=\u0022table-label\u0022\u003ETable 2.\u003C\/span\u003E \n            \u003Cp id=\u0022p-9\u0022 class=\u0022first-child\u0022\u003EComparison of Criteria Using Expert Diagnosis at 6 Years as the Gold Standard.\u003C\/p\u003E\n         \u003Cdiv class=\u0022sb-div caption-clear\u0022\u003E\u003C\/div\u003E\u003C\/div\u003E\u003C\/div\u003E\u003Cp id=\u0022p-14\u0022\u003EReceiver operating characteristic (ROC) curves showed that a score \u22656, proposed by the 2010 criteria for the classification of definite RA, was relevant. Application of the score after excluding a diagnosis of \u201canother rheumatism,\u201d without considering the \u201cerosions\u201d item of the algorithm, provided better performance than the strict application of 2010 ACR\/EULAR criteria.\u003C\/p\u003E\u003Cp id=\u0022p-15\u0022\u003EThe 2010 ACR\/EULAR RA classification criteria refer to a possible use of ultrasonography to confirm clinical findings; however, the exact method to confirm the presence of synovitis with ultrasound has not been reported. Daiki Nakagomi, MD, Chiba University Hospital, Chiba, Japan, discussed the results of a study that aimed to determine the optimized definition of ultrasound synovitis for the 2010 ACR\/EULAR criteria and assess the impact of its use on the accuracy of the RA classification.\u003C\/p\u003E\u003Cp id=\u0022p-16\u0022\u003EThe study analyzed 107 patients with musculoskeletal symptoms for \u22643 years that could not be explained by diseases other than RA. Patients underwent full assessment, including a systematic multiplanar gray-scale (GS) and Power Doppler (PD) ultrasound examination, which was performed on 38 joint regions at baseline. All patients received routine care from expert rheumatologists who were blinded to the ultrasound findings. A semiquantitative scoring system (0 to 3) was used for both GS synovitis and PD signal. The gold standard that was used in the process of developing the 2010 ACR\/EULAR criteria (ie, methotrexate treatment within the first year) was used, and the association between criteria fulfillment at baseline and methotrexate treatment within the first year was analyzed. Patient demographics are shown in \u003Ca id=\u0022xref-table-wrap-3-1\u0022 class=\u0022xref-table\u0022 href=\u0022#T3\u0022\u003ETable 3\u003C\/a\u003E.\u003C\/p\u003E\u003Cdiv id=\u0022T3\u0022 class=\u0022table pos-float\u0022\u003E\u003Cdiv class=\u0022table-inline\u0022\u003E\u003Cdiv class=\u0022callout\u0022\u003E\u003Cspan\u003EView this table:\u003C\/span\u003E\u003Cul class=\u0022callout-links\u0022\u003E\u003Cli class=\u00220 first\u0022\u003E\u003Ca href=\u0022\/\u0022 class=\u0022table-expand-inline\u0022 data-table-url=\u0022\/highwire\/markup\/14233\/expansion?postprocessors=highwire_figures%2Chighwire_math%2Chighwire_inline_linked_media%2Chighwire_embed\u0026amp;table-expand-inline=1\u0022 html=\u00221\u0022 fragment=\u0022#\u0022 external=\u00221\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EView inline\u003C\/a\u003E\u003C\/li\u003E\u003Cli class=\u00221\u0022\u003E\u003Ca href=\u0022\/highwire\/markup\/14233\/expansion?width=1000\u0026amp;height=500\u0026amp;iframe=true\u0026amp;postprocessors=highwire_figures%2Chighwire_math%2Chighwire_inline_linked_media\u0022 class=\u0022colorbox colorbox-load table-expand-popup\u0022 rel=\u0022gallery-fragment-tables\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EView popup\u003C\/a\u003E\u003C\/li\u003E\u003Cli class=\u00222 last\u0022\u003E\u003Ca href=\u0022\/highwire\/powerpoint\/14233\u0022 class=\u0022highwire-figure-link highwire-figure-link-ppt\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EDownload powerpoint\u003C\/a\u003E\u003C\/li\u003E\u003C\/ul\u003E\u003C\/div\u003E\u003C\/div\u003E\u003Cdiv class=\u0022table-caption\u0022\u003E\u003Cspan class=\u0022table-label\u0022\u003ETable 3.\u003C\/span\u003E \n            \u003Cp id=\u0022p-17\u0022 class=\u0022first-child\u0022\u003EPatient Demographics and Joint Manifestations at Baseline.\u003C\/p\u003E\n         \u003Cdiv class=\u0022sb-div caption-clear\u0022\u003E\u003C\/div\u003E\u003C\/div\u003E\u003C\/div\u003E\u003Cp id=\u0022p-20\u0022\u003ETo compare ultrasound findings with clinical findings, the investigators tentatively identified 2 definitions of ultrasound synovitis: GS score \u22651 or PD score \u22651 (GS\u22651\/PD\u22651) and GS score \u22652 or PD score \u22651 (GS\u22652\/PD\u22651). The prevalence of GS\u22651\/PD\u22651 synovitis was higher than that of clinical synovitis in most joint lesions, with significant differences in wrist (p\u0026lt;0.001), knee (p\u0026lt;0.001), and metatarsophalangeal joints (p\u0026lt;0.01). However, prevalence of GS\u22651\/PD\u22651 synovitis was significantly lower than clinical synovitis in proximal interphalangeal joints (p\u0026lt;0.001). The prevalence of GS\u22652\/PD\u22651 synovitis was lower than that of clinical synovitis in most joint regions.\u003C\/p\u003E\u003Cp id=\u0022p-21\u0022\u003EWhen the requirement for joint swelling and joint count in the 2010 criteria was replaced with the GS\u22651\/PD\u22651 definition of ultrasound synovitis, 78.6% of patients maintained the same classification, 15.4% who did not fulfill the criteria without ultrasound were reclassified to RA, and 6% of patients were reclassified from RA to non-RA. When the GS\u22652\/PD\u22651 definition for ultrasound synovitis was applied, even more cases were reclassified from RA to non-RA. The proportion of patients who were reclassified by using ultrasound was \u223c20% with either definition (\u003Ca id=\u0022xref-fig-1-1\u0022 class=\u0022xref-fig\u0022 href=\u0022#F1\u0022\u003EFigure 1\u003C\/a\u003E).\u003C\/p\u003E\u003Cdiv id=\u0022F1\u0022 class=\u0022fig pos-float  odd\u0022\u003E\u003Cdiv class=\u0022highwire-figure\u0022\u003E\u003Cdiv class=\u0022fig-inline-img-wrapper\u0022\u003E\u003Cdiv class=\u0022fig-inline-img\u0022\u003E\u003Ca href=\u0022http:\/\/d282kpwvnogo5m.cloudfront.net\/content\/spmdc\/12\/9\/23\/F1.large.jpg?width=800\u0026amp;height=600\u0026amp;carousel=1\u0022 title=\u0022Number of Cases Fulfilling the 2010 ACR\/EULAR RA Classification Criteria Using Clinical or Ultrasound Assessment.\u0022 class=\u0022fragment-images colorbox-load\u0022 rel=\u0022gallery-fragment-images-926910867\u0022 data-figure-caption=\u0022Number of Cases Fulfilling the 2010 ACR\/EULAR RA Classification Criteria Using Clinical or Ultrasound Assessment.\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003E\u003Cimg class=\u0022fragment-image\u0022 alt=\u0022Figure 1.\u0022 src=\u0022http:\/\/d282kpwvnogo5m.cloudfront.net\/content\/spmdc\/12\/9\/23\/F1.medium.gif\u0022\/\u003E\u003C\/a\u003E\u003C\/div\u003E\u003C\/div\u003E\u003Cul class=\u0022highwire-figure-links inline\u0022\u003E\u003Cli class=\u00220 first\u0022\u003E\u003Ca href=\u0022http:\/\/d282kpwvnogo5m.cloudfront.net\/content\/spmdc\/12\/9\/23\/F1.large.jpg?download=true\u0022 class=\u0022highwire-figure-link highwire-figure-link-download\u0022 title=\u0022Download Figure 1.\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EDownload figure\u003C\/a\u003E\u003C\/li\u003E\u003Cli class=\u00221\u0022\u003E\u003Ca href=\u0022http:\/\/d282kpwvnogo5m.cloudfront.net\/content\/spmdc\/12\/9\/23\/F1.large.jpg\u0022 class=\u0022highwire-figure-link highwire-figure-link-newtab\u0022 target=\u0022_blank\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EOpen in new tab\u003C\/a\u003E\u003C\/li\u003E\u003Cli class=\u00222 last\u0022\u003E\u003Ca href=\u0022\/highwire\/powerpoint\/14225\u0022 class=\u0022highwire-figure-link highwire-figure-link-ppt\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EDownload powerpoint\u003C\/a\u003E\u003C\/li\u003E\u003C\/ul\u003E\u003C\/div\u003E\u003Cdiv class=\u0022fig-caption attrib\u0022\u003E\u003Cspan class=\u0022fig-label\u0022\u003EFigure 1.\u003C\/span\u003E \n            \u003Cp id=\u0022p-22\u0022 class=\u0022first-child\u0022\u003ENumber of Cases Fulfilling the 2010 ACR\/EULAR RA Classification Criteria Using Clinical or Ultrasound Assessment.\u003C\/p\u003E\n         \u003Cq class=\u0022attrib\u0022 id=\u0022attrib-1\u0022\u003EUSS=ultrasound-synovitis; GS=gray scale; PD=power Doppler.\u003C\/q\u003E\u003Cdiv class=\u0022sb-div caption-clear\u0022\u003E\u003C\/div\u003E\u003C\/div\u003E\u003C\/div\u003E\u003Cp id=\u0022p-23\u0022\u003EThe proportion of patients who developed a disease that required treatment with methotrexate within 1 year was significantly higher among those who fulfilled the criteria with clinical synovitis versus those who did not. The proportion was even larger, however, when ultrasound synovitis was utilized.\u003C\/p\u003E\u003Cp id=\u0022p-24\u0022\u003EThe sensitivity and specificity of the 2010 criteria without ultrasound in predicting a requirement for methotrexate within the first year of classification were 63.3% and 79.4%, respectively. When GS\u22651\/PD\u22651 ultrasound synovitis was applied, the sensitivity increased to 81.6%, and when GS\u22652\/PD\u22651 definition was applied, the specificity increased markedly to 93.7%.\u003C\/p\u003E\u003Cp id=\u0022p-25\u0022\u003EROC analysis demonstrated the largest AUC for the criteria score with GS\u22652\/PD\u22651 ultrasound synovitis, followed by with GS\u22651\/PD\u22651 ultrasound synovitis and without ultrasound.\u003C\/p\u003E\u003Cp id=\u0022p-26\u0022\u003EThese results show that ultrasound assessment of synovitis improves the accuracy of the criteria to predict methotrexate requirement, and both definitions can be useful, depending on the purpose of classification.\u003C\/p\u003E\u003Cdiv id=\u0022F2\u0022 class=\u0022fig pos-float  odd\u0022\u003E\u003Cdiv class=\u0022highwire-figure\u0022\u003E\u003Cdiv class=\u0022fig-inline-img-wrapper\u0022\u003E\u003Cdiv class=\u0022fig-inline-img\u0022\u003E\u003Ca href=\u0022http:\/\/d282kpwvnogo5m.cloudfront.net\/content\/spmdc\/12\/9\/23\/F2.large.jpg?width=800\u0026amp;height=600\u0026amp;carousel=1\u0022 title=\u0022The editors would like to thank the many members of the European League Against Rheumatism presenting faculty who generously gave their time to ensure the accuracy and quality of the articles in this publication.\u0022 class=\u0022fragment-images colorbox-load\u0022 rel=\u0022gallery-fragment-images-926910867\u0022 data-figure-caption=\u0022The editors would like to thank the many members of the European League Against Rheumatism presenting faculty who generously gave their time to ensure the accuracy and quality of the articles in this publication.\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003E\u003Cimg class=\u0022fragment-image\u0022 alt=\u0022Figure2\u0022 src=\u0022http:\/\/d282kpwvnogo5m.cloudfront.net\/content\/spmdc\/12\/9\/23\/F2.medium.gif\u0022\/\u003E\u003C\/a\u003E\u003C\/div\u003E\u003C\/div\u003E\u003Cul class=\u0022highwire-figure-links inline\u0022\u003E\u003Cli class=\u00220 first\u0022\u003E\u003Ca href=\u0022http:\/\/d282kpwvnogo5m.cloudfront.net\/content\/spmdc\/12\/9\/23\/F2.large.jpg?download=true\u0022 class=\u0022highwire-figure-link highwire-figure-link-download\u0022 title=\u0022Download Figure2\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EDownload figure\u003C\/a\u003E\u003C\/li\u003E\u003Cli class=\u00221\u0022\u003E\u003Ca href=\u0022http:\/\/d282kpwvnogo5m.cloudfront.net\/content\/spmdc\/12\/9\/23\/F2.large.jpg\u0022 class=\u0022highwire-figure-link highwire-figure-link-newtab\u0022 target=\u0022_blank\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EOpen in new tab\u003C\/a\u003E\u003C\/li\u003E\u003Cli class=\u00222 last\u0022\u003E\u003Ca href=\u0022\/highwire\/powerpoint\/14227\u0022 class=\u0022highwire-figure-link highwire-figure-link-ppt\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EDownload powerpoint\u003C\/a\u003E\u003C\/li\u003E\u003C\/ul\u003E\u003C\/div\u003E\u003Cdiv class=\u0022fig-caption\u0022 xmlns:xhtml=\u0022http:\/\/www.w3.org\/1999\/xhtml\u0022\u003E\n            \u003Cp id=\u0022p-27\u0022 class=\u0022first-child\u0022\u003EThe editors would like to thank the many members of the European League Against Rheumatism presenting faculty who generously gave their time to ensure the accuracy and quality of the articles in this publication.\u003C\/p\u003E\n         \u003Cdiv class=\u0022sb-div caption-clear\u0022\u003E\u003C\/div\u003E\u003C\/div\u003E\u003C\/div\u003E\u003Cul class=\u0022copyright-statement\u0022\u003E\u003Cli class=\u0022fn\u0022 id=\u0022copyright-statement-1\u0022\u003E\u00a9 2012 MD Conference Express\u00ae\u003C\/li\u003E\u003C\/ul\u003E\u003Cspan 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