{"id":"https://openalex.org/W4388745864","doi":"https://doi.org/10.4103/singaporemedj.smj-2021-392","title":"Diagnostic classification of dermatomyositis with and without electrodiagnostic study: real-world clinical practice","display_name":"Diagnostic classification of dermatomyositis with and without electrodiagnostic study: real-world clinical practice","publication_year":2023,"publication_date":"2023-11-10","ids":{"openalex":"https://openalex.org/W4388745864","doi":"https://doi.org/10.4103/singaporemedj.smj-2021-392","pmid":"https://pubmed.ncbi.nlm.nih.gov/41877413","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/13132558"},"language":"en","primary_location":{"id":"doi:10.4103/singaporemedj.smj-2021-392","doi":"https://doi.org/10.4103/singaporemedj.smj-2021-392","is_oa":true,"landing_page_url":"https://doi.org/10.4103/singaporemedj.smj-2021-392","pdf_url":null,"source":{"id":"https://openalex.org/S94851452","display_name":"Singapore Medical Journal","issn_l":"0037-5675","issn":["0037-5675","2737-5935"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","medline","poland-40","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320448","host_organization_name":"Medknow","host_organization_lineage":["https://openalex.org/P4310320448","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Medknow","Wolters Kluwer"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Singapore Medical Journal","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.4103/singaporemedj.smj-2021-392","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5029650589","display_name":"Presaad Pillai","orcid":"https://orcid.org/0000-0002-8745-8166","observed_orcids":["https://orcid.org/0000-0002-8745-8166"]},"institutions":[{"id":"https://openalex.org/I2799421553","display_name":"Hospital Kuala Lumpur","ror":"https://ror.org/03n0nnh89","country_code":"MY","type":"healthcare","lineage":["https://openalex.org/I2799421553"]}],"countries":["MY"],"is_corresponding":true,"raw_author_name":"Presaad Pillai","raw_affiliation_strings":["Department of Neurology, Kuala Lumpur Hospital, Kuala Lumpur, Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Neurology, Kuala Lumpur Hospital, Kuala Lumpur, Malaysia","institution_ids":["https://openalex.org/I2799421553"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074860081","display_name":"Mazliha Mashor","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2799421553","display_name":"Hospital Kuala Lumpur","ror":"https://ror.org/03n0nnh89","country_code":"MY","type":"healthcare","lineage":["https://openalex.org/I2799421553"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Mazliha Mashor","raw_affiliation_strings":["Department of Dermatology, Kuala Lumpur Hospital, Kuala Lumpur, Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Dermatology, Kuala Lumpur Hospital, Kuala Lumpur, Malaysia","institution_ids":["https://openalex.org/I2799421553"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001891565","display_name":"Min Moon Tang","orcid":"https://orcid.org/0000-0001-7760-3238","observed_orcids":["https://orcid.org/0000-0001-7760-3238"]},"institutions":[{"id":"https://openalex.org/I2799421553","display_name":"Hospital Kuala Lumpur","ror":"https://ror.org/03n0nnh89","country_code":"MY","type":"healthcare","lineage":["https://openalex.org/I2799421553"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Min Moon Tang","raw_affiliation_strings":["Department of Dermatology, Kuala Lumpur Hospital, Kuala Lumpur, Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Dermatology, Kuala Lumpur Hospital, Kuala Lumpur, Malaysia","institution_ids":["https://openalex.org/I2799421553"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004757139","display_name":"Fu Liong Hiew","orcid":"https://orcid.org/0000-0002-4708-3734","observed_orcids":["https://orcid.org/0000-0002-4708-3734"]},"institutions":[{"id":"https://openalex.org/I2799421553","display_name":"Hospital Kuala Lumpur","ror":"https://ror.org/03n0nnh89","country_code":"MY","type":"healthcare","lineage":["https://openalex.org/I2799421553"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Fu Liong Hiew","raw_affiliation_strings":["Department of Neurology, Kuala Lumpur Hospital, Kuala Lumpur, Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Neurology, Kuala Lumpur Hospital, Kuala Lumpur, Malaysia","institution_ids":["https://openalex.org/I2799421553"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5029650589"],"corresponding_institution_ids":["https://openalex.org/I2799421553"],"apc_list":null,"apc_paid":null,"fwci":0.3417,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.53883783,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":96},"biblio":{"volume":"67","issue":"3","first_page":"149","last_page":"155"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11724","display_name":"Inflammatory Myopathies and Dermatomyositis","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T11724","display_name":"Inflammatory Myopathies and Dermatomyositis","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11271","display_name":"Myasthenia Gravis and Thymoma","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11330","display_name":"Systemic Sclerosis and Related Diseases","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/dermatomyositis","display_name":"dermatomyositis","score":1.0},{"id":"https://openalex.org/keywords/electromyography","display_name":"electromyography","score":0.8799999952316284},{"id":"https://openalex.org/keywords/diagnostic-classification","display_name":"diagnostic classification","score":0.6140000224113464},{"id":"https://openalex.org/keywords/amyopathic-dermatomyositis","display_name":"amyopathic dermatomyositis","score":0.9169999957084656},{"id":"https://openalex.org/keywords/bohan-and-peter-criteria","display_name":"Bohan and Peter criteria","score":0.9679999947547913},{"id":"https://openalex.org/keywords/muscle-biopsy","display_name":"muscle biopsy","score":0.515999972820282},{"id":"https://openalex.org/keywords/systemic-lupus-erythematosus","display_name":"systemic lupus erythematosus","score":0.878000020980835},{"id":"https://openalex.org/keywords/diagnostic-accuracy","display_name":"diagnostic accuracy","score":0.5590000152587891},{"id":"https://openalex.org/keywords/muscle-weakness","display_name":"muscle weakness","score":0.4869999885559082}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.946747899055481},{"id":"https://openalex.org/C2778751314","wikidata":"https://www.wikidata.org/wiki/Q681160","display_name":"Dermatomyositis","level":2,"score":0.7850730419158936},{"id":"https://openalex.org/C2777515770","wikidata":"https://www.wikidata.org/wiki/Q507369","display_name":"Electromyography","level":2,"score":0.7160929441452026},{"id":"https://openalex.org/C2779999465","wikidata":"https://www.wikidata.org/wiki/Q2094702","display_name":"Muscle biopsy","level":3,"score":0.6745895743370056},{"id":"https://openalex.org/C534262118","wikidata":"https://www.wikidata.org/wiki/Q177719","display_name":"Medical diagnosis","level":2,"score":0.55329430103302},{"id":"https://openalex.org/C2776418732","wikidata":"https://www.wikidata.org/wiki/Q270421","display_name":"Muscle weakness","level":2,"score":0.5276119709014893},{"id":"https://openalex.org/C2777300911","wikidata":"https://www.wikidata.org/wiki/Q692536","display_name":"Myopathy","level":2,"score":0.5146230459213257},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.5123594999313354},{"id":"https://openalex.org/C198451711","wikidata":"https://www.wikidata.org/wiki/Q327657","display_name":"Rheumatology","level":2,"score":0.47743114829063416},{"id":"https://openalex.org/C36880943","wikidata":"https://www.wikidata.org/wiki/Q409458","display_name":"Creatine kinase","level":2,"score":0.4548810124397278},{"id":"https://openalex.org/C2780247198","wikidata":"https://www.wikidata.org/wiki/Q633403","display_name":"Weakness","level":2,"score":0.4536357522010803},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.4359707236289978},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.349627286195755},{"id":"https://openalex.org/C2775934546","wikidata":"https://www.wikidata.org/wiki/Q179991","display_name":"Biopsy","level":2,"score":0.3226097822189331},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.2431868314743042},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.20759820938110352}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001706","descriptor_name":"Biopsy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003882","descriptor_name":"Dermatomyositis","qualifier_ui":"Q000145","qualifier_name":"classification","is_major_topic":true},{"descriptor_ui":"D003882","descriptor_name":"Dermatomyositis","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":true},{"descriptor_ui":"D003937","descriptor_name":"Diagnosis, Differential","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004568","descriptor_name":"Electrodiagnosis","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D004576","descriptor_name":"Electromyography","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012189","descriptor_name":"Retrospective Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018482","descriptor_name":"Muscle, Skeletal","qualifier_ui":"Q000473","qualifier_name":"pathology","is_major_topic":false},{"descriptor_ui":"D018908","descriptor_name":"Muscle Weakness","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.4103/singaporemedj.smj-2021-392","doi":"https://doi.org/10.4103/singaporemedj.smj-2021-392","is_oa":true,"landing_page_url":"https://doi.org/10.4103/singaporemedj.smj-2021-392","pdf_url":null,"source":{"id":"https://openalex.org/S94851452","display_name":"Singapore Medical Journal","issn_l":"0037-5675","issn":["0037-5675","2737-5935"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","medline","poland-40","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320448","host_organization_name":"Medknow","host_organization_lineage":["https://openalex.org/P4310320448","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Medknow","Wolters Kluwer"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Singapore Medical Journal","raw_type":"journal-article"},{"id":"pmh:oai:pubmedcentral.nih.gov:13132558","doi":null,"is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC13132558/","pdf_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC13132558/pdf/SMJ-67-149.pdf","source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Singapore Med J","raw_type":"Text"},{"id":"pmid:41877413","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/41877413","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Singapore medical journal","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.4103/singaporemedj.smj-2021-392","doi":"https://doi.org/10.4103/singaporemedj.smj-2021-392","is_oa":true,"landing_page_url":"https://doi.org/10.4103/singaporemedj.smj-2021-392","pdf_url":null,"source":{"id":"https://openalex.org/S94851452","display_name":"Singapore Medical Journal","issn_l":"0037-5675","issn":["0037-5675","2737-5935"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","medline","poland-40","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320448","host_organization_name":"Medknow","host_organization_lineage":["https://openalex.org/P4310320448","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Medknow","Wolters Kluwer"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Singapore Medical Journal","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.9763000011444092}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4388745864.pdf","grobid_xml":"https://content.openalex.org/works/W4388745864.grobid-xml"},"referenced_works_count":18,"referenced_works":["https://openalex.org/W184510336","https://openalex.org/W1820484447","https://openalex.org/W1977429864","https://openalex.org/W2044532917","https://openalex.org/W2062680329","https://openalex.org/W2111195519","https://openalex.org/W2115404234","https://openalex.org/W2314311014","https://openalex.org/W2513921688","https://openalex.org/W2765743865","https://openalex.org/W2766822525","https://openalex.org/W2780702925","https://openalex.org/W2797549582","https://openalex.org/W2981508973","https://openalex.org/W2987126293","https://openalex.org/W3015838944","https://openalex.org/W4234673625","https://openalex.org/W6745296249"],"related_works":["https://openalex.org/W7166060043","https://openalex.org/W7166033640","https://openalex.org/W3212622387","https://openalex.org/W4403890046","https://openalex.org/W2780702925","https://openalex.org/W3165211857","https://openalex.org/W2904259347","https://openalex.org/W4406021307","https://openalex.org/W2799812420","https://openalex.org/W3115348176"],"abstract_inverted_index":{"INTRODUCTION:":[0],"The":[1],"revised":[2],"European":[3,15],"League":[4],"Against":[5],"Rheumatism":[6],"(EULAR)/American":[7],"College":[8],"of":[9,42,50,93,107,153,177,196,218,222,239],"Rheumatology":[10],"(ACR)":[11],"2017":[12],"criteria":[13,20,46,89],"and":[14,52,78,86,90,110,157,163,188],"Neuromuscular":[16],"Centre's":[17],"(ENMC)":[18],"2018":[19],"have":[21],"improved":[22],"diagnostic":[23,36,103],"accuracy":[24,104],"for":[25,56,230,249],"dermatomyositis":[26],"(DM).":[27],"However,":[28],"electromyography":[29],"(EMG)":[30],"was":[31],"not":[32],"included":[33],"in":[34,47,114,160,203,237],"the":[35,40,48,84,102,108,161,168],"criteria.":[37,112,148],"We":[38,99],"evaluated":[39],"usefulness":[41],"EMG":[43,192,223,235,245],"under":[44],"both":[45],"classification":[49,217],"DM":[51,77,135,185,208,219,252],"its":[53],"amyopathic":[54],"subtypes":[55],"patients":[57,72,124,172,209],"who":[58,73,125],"had":[59,126],"rash":[60],"with":[61,128,167,173,210],"or":[62],"without":[63],"muscle":[64,94,138,197,213,226,241],"weakness.":[65],"METHODS:":[66],"In":[67,233],"this":[68],"retrospective":[69],"study,":[70],"20":[71],"were":[74,97,116,140,181],"classified":[75,183],"into":[76],"alternative":[79,144,231],"diagnoses":[80,145],"groups":[81],"based":[82],"on":[83,137],"Bohan":[85],"Peter":[87],"(BP)":[88],"histopathological":[91],"findings":[92],"and/or":[95],"skin":[96],"included.":[98],"then":[100],"compared":[101],"to":[105],"that":[106],"EULAR/ACR":[109,187],"ENMC":[111,189],"Differences":[113],"proportion":[115],"determined":[117],"using":[118,146],"Fisher's":[119],"exact":[120],"test.":[121],"RESULTS:":[122],"Two":[123,171],"weakness":[127],"elevated":[129],"creatine":[130],"kinase":[131],"but":[132,191],"no":[133,194],"typical":[134],"features":[136],"biopsies":[139],"incorrectly":[141,182],"excluded":[142],"as":[143,184],"BP":[147],"Both":[149],"EMGs":[150],"demonstrated":[151,193],"presence":[152],"myopathic":[154],"recruitment":[155],"pattern":[156],"spontaneous":[158],"activity":[159],"proximal":[162],"distal":[164],"muscles,":[165],"consistent":[166],"clinical":[169,212],"phenotype.":[170],"a":[174],"final":[175],"diagnosis":[176],"systemic":[178],"lupus":[179],"erythematosus":[180],"by":[186],"criteria,":[190],"evidence":[195],"inflammation.":[198],"CONCLUSION:":[199],"Electromyography":[200],"is":[201],"valuable":[202],"identifying":[204],"mild":[205],"myopathy":[206],"among":[207],"subtle":[211],"weakness,":[214],"allowing":[215],"better":[216],"subtypes.":[220],"Absence":[221],"signs":[224],"indicating":[225],"involvement":[227],"provides":[228],"clues":[229],"diagnosis.":[232],"addition,":[234],"aids":[236],"interpretation":[238],"inconclusive":[240],"biopsy":[242],"results.":[243],"Therefore,":[244],"should":[246],"be":[247],"performed":[248],"every":[250],"suspected":[251],"patient.":[253]},"counts_by_year":[{"year":2026,"cited_by_count":2}],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2023-11-17T00:00:00"}