{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T19:25:56Z","timestamp":1787167556406,"version":"build-2736575974"},"reference-count":62,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2021,7,16]],"date-time":"2021-07-16T00:00:00Z","timestamp":1626393600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"ALF project","award":["SLL20180426"],"award-info":[{"award-number":["SLL20180426"]}]},{"name":"Clinical Scientist Training Program","award":["2-281-2017"],"award-info":[{"award-number":["2-281-2017"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>The impact of comorbidities in fibromyalgia (FM) and temporomandibular disorders (TMD) have been well documented, but whether TMD sub-diagnoses myalgia (MYA) and myofascial pain with referral (MFP) differ regarding comorbidity is unclear. We aimed to elucidate this by studying the presence and associations of comorbidities in FM, MFP and MYA. An extended version of the Diagnostic Criteria for TMD axis II questionnaire was used to examine demographics, pain and comorbidities in 81 patients with FM, 80 with MYA, and 81 with MFP. Patients with MFP and FM reported a higher percentage of irritable bowel syndrome (IBS), depression, anxiety, somatic symptoms, perceived stress, and insomnia compared to MYA. Patients with FM had more IBS, depression, and somatic symptom disorder versus MFP. After adjusting for confounding variables, participants with anxiety, somatic symptoms disorder, pain catastrophizing, and perceived stress, as well as a greater number of comorbidities, were more likely to have MFP than MYA, whereas FM participants were more associated with IBS, somatic symptoms and insomnia compared to MFP. The number of comorbidities was significantly associated with widespread pain but not pain duration, body mass index or being on sick leave. In conclusion, patients with MFP were more similar to those with FM regarding comorbidity and should be differentiated from MYA in clinical settings and pain management.<\/jats:p>","DOI":"10.3390\/jcm10143138","type":"journal-article","created":{"date-parts":[[2021,7,16]],"date-time":"2021-07-16T10:52:58Z","timestamp":1626432778000},"page":"3138","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":28,"title":["Comorbid Conditions in Temporomandibular Disorders Myalgia and Myofascial Pain Compared to Fibromyalgia"],"prefix":"10.3390","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0894-4183","authenticated-orcid":false,"given":"Golnaz","family":"Barjandi","sequence":"first","affiliation":[{"name":"Scandinavian Center for Orofacial Neuroscience (SCON), Department of Dental Medicine, Karolinska Institute, SE141 04 Huddinge, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eva","family":"Kosek","sequence":"additional","affiliation":[{"name":"Department of Clinical Neuroscience, Karolinska Institute, SE17 165 Stockholm, Sweden"},{"name":"Department of Surgical Sciences, Uppsala University, SE751 85 Uppsala, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5911-5166","authenticated-orcid":false,"given":"Britt","family":"Hedenberg-Magnusson","sequence":"additional","affiliation":[{"name":"Scandinavian Center for Orofacial Neuroscience (SCON), Department of Dental Medicine, Karolinska Institute, SE141 04 Huddinge, Sweden"},{"name":"Department of Orofacial Pain and Jaw Function, Eastman Institute, SE113 24 Stockholm, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ana Miriam","family":"Velly","sequence":"additional","affiliation":[{"name":"Faculty of Dentistry, McGill University, Montreal, QC H3T 1E2, Canada"},{"name":"Department of Dentistry, Jewish General Hospital, Montreal, QC H3T 1E2, Canada"},{"name":"Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, QC H3T 1E2, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4152-5439","authenticated-orcid":false,"given":"Malin","family":"Ernberg","sequence":"additional","affiliation":[{"name":"Scandinavian Center for Orofacial Neuroscience (SCON), Department of Dental Medicine, Karolinska Institute, SE141 04 Huddinge, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2021,7,16]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1976","DOI":"10.1097\/j.pain.0000000000001939","article-title":"The revised International Association for the Study of Pain definition of pain: Concepts, challenges, and compromises","volume":"161","author":"Raja","year":"2020","journal-title":"Pain"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"287","DOI":"10.1016\/j.ejpain.2005.06.009","article-title":"Survey of chronic pain in Europe: Prevalence, impact on daily life, and treatment","volume":"10","author":"Breivik","year":"2006","journal-title":"Eur. 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