{"id":"https://openalex.org/W176050848","doi":null,"title":"Does vitamin D affect disease severity in patients with ankylosing spondylitis?","display_name":"Does vitamin D affect disease severity in patients with ankylosing spondylitis?","publication_year":2012,"publication_date":"2012-07-01","ids":{"openalex":"https://openalex.org/W176050848","mag":"176050848","pmid":"https://pubmed.ncbi.nlm.nih.gov/22882931"},"language":"en","primary_location":{"id":"pmid:22882931","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/22882931","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":"Chinese medical journal","raw_type":"Journal Article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5110649126","display_name":"Bekir Durmu\u015f","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I20126385","display_name":"Inonu University","ror":"https://ror.org/04asck240","country_code":"TR","type":"education","lineage":["https://openalex.org/I20126385"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Bekir Durmus","raw_affiliation_strings":["Department of Physical Medicine & Rehabilitation, Inonu University Faculty of Medicine, Malatya, Turkey. durmusbekir@yahoo.com"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physical Medicine & Rehabilitation, Inonu University Faculty of Medicine, Malatya, Turkey. durmusbekir@yahoo.com","institution_ids":["https://openalex.org/I20126385"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033221788","display_name":"Zuhal E. Altay","orcid":"https://orcid.org/0000-0001-6332-0552","observed_orcids":["https://orcid.org/0000-0001-6332-0552"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zuhal Altay","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087085225","display_name":"\u00d6zlem Baysal","orcid":"https://orcid.org/0000-0003-0378-7307","observed_orcids":["https://orcid.org/0000-0003-0378-7307"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ozlem Baysal","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5005320808","display_name":"Y\u00fcksel Ersoy","orcid":"https://orcid.org/0000-0002-8035-4532","observed_orcids":["https://orcid.org/0000-0002-8035-4532"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yuksel Ersoy","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.6004,"has_fulltext":false,"cited_by_count":33,"citation_normalized_percentile":{"value":0.81587374,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":99},"biblio":{"volume":"125","issue":"14","first_page":"2511","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11092","display_name":"Spondyloarthritis Studies and Treatments","score":0.9726999998092651,"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/T11092","display_name":"Spondyloarthritis Studies and Treatments","score":0.9726999998092651,"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/T10277","display_name":"Vitamin D Research Studies","score":0.024900000542402267,"subfield":{"id":"https://openalex.org/subfields/2712","display_name":"Endocrinology, Diabetes and Metabolism"},"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/T11571","display_name":"Sarcoidosis and Beryllium Toxicity Research","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"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/vitamin-d","display_name":"vitamin D","score":0.8830000162124634},{"id":"https://openalex.org/keywords/ankylosing-spondylitis","display_name":"ankylosing spondylitis","score":0.9509999752044678},{"id":"https://openalex.org/keywords/25-hydroxyvitamin-d3","display_name":"25-hydroxyvitamin D3","score":0.9819999933242798},{"id":"https://openalex.org/keywords/vitamin-d-deficiency","display_name":"vitamin D deficiency","score":0.9779999852180481},{"id":"https://openalex.org/keywords/disease-activity","display_name":"disease activity","score":0.8999999761581421},{"id":"https://openalex.org/keywords/functional-status","display_name":"functional status","score":0.9750000238418579},{"id":"https://openalex.org/keywords/quality-of-life","display_name":"quality of life","score":0.9409999847412109},{"id":"https://openalex.org/keywords/inflammatory-markers","display_name":"inflammatory markers","score":0.5630000233650208},{"id":"https://openalex.org/keywords/c-reactive-protein","display_name":"C-reactive protein","score":0.781000018119812},{"id":"https://openalex.org/keywords/erythrocyte-sedimentation-rate","display_name":"erythrocyte sedimentation rate","score":0.9359999895095825},{"id":"https://openalex.org/keywords/bath-ankylosing-spondylitis-disease-activity-index","display_name":"BASDAI","score":0.8529999852180481},{"id":"https://openalex.org/keywords/basfi","display_name":"BASFI","score":0.9950000047683716}],"concepts":[{"id":"https://openalex.org/C2777402515","wikidata":"https://www.wikidata.org/wiki/Q52849","display_name":"Ankylosing spondylitis","level":2,"score":0.878374457359314},{"id":"https://openalex.org/C2780415856","wikidata":"https://www.wikidata.org/wiki/Q4834653","display_name":"BASFI","level":5,"score":0.8739587068557739},{"id":"https://openalex.org/C2778143017","wikidata":"https://www.wikidata.org/wiki/Q111208","display_name":"Erythrocyte sedimentation rate","level":2,"score":0.8420823812484741},{"id":"https://openalex.org/C2777453003","wikidata":"https://www.wikidata.org/wiki/Q4834648","display_name":"BASDAI","level":4,"score":0.8322309255599976},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.832188606262207},{"id":"https://openalex.org/C124490489","wikidata":"https://www.wikidata.org/wiki/Q7936963","display_name":"Vitamin D and neurology","level":2,"score":0.6547069549560547},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.6519997119903564},{"id":"https://openalex.org/C2779951463","wikidata":"https://www.wikidata.org/wiki/Q7268788","display_name":"Quality of life (healthcare)","level":2,"score":0.515691876411438},{"id":"https://openalex.org/C2776940978","wikidata":"https://www.wikidata.org/wiki/Q34956","display_name":"Vitamin","level":2,"score":0.5087965130805969},{"id":"https://openalex.org/C90924648","wikidata":"https://www.wikidata.org/wiki/Q120569","display_name":"Gastroenterology","level":1,"score":0.4901064336299896},{"id":"https://openalex.org/C8891405","wikidata":"https://www.wikidata.org/wiki/Q1059","display_name":"Immune system","level":2,"score":0.4388340413570404},{"id":"https://openalex.org/C2779134260","wikidata":"https://www.wikidata.org/wiki/Q12136","display_name":"Disease","level":2,"score":0.4319552779197693},{"id":"https://openalex.org/C2781195455","wikidata":"https://www.wikidata.org/wiki/Q422766","display_name":"C-reactive protein","level":3,"score":0.42682313919067383},{"id":"https://openalex.org/C203014093","wikidata":"https://www.wikidata.org/wiki/Q101929","display_name":"Immunology","level":1,"score":0.21716579794883728},{"id":"https://openalex.org/C2776914184","wikidata":"https://www.wikidata.org/wiki/Q101991","display_name":"Inflammation","level":2,"score":0.08727473020553589},{"id":"https://openalex.org/C2776260265","wikidata":"https://www.wikidata.org/wiki/Q511097","display_name":"Psoriatic arthritis","level":3,"score":0.0},{"id":"https://openalex.org/C159110408","wikidata":"https://www.wikidata.org/wiki/Q121176","display_name":"Nursing","level":1,"score":0.0}],"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":"D002762","descriptor_name":"Cholecalciferol","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":false},{"descriptor_ui":"D003430","descriptor_name":"Cross-Sectional Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"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":"D013167","descriptor_name":"Spondylitis, Ankylosing","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true},{"descriptor_ui":"D014807","descriptor_name":"Vitamin D","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true}],"locations_count":2,"locations":[{"id":"pmid:22882931","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/22882931","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":"Chinese medical journal","raw_type":"Journal Article"},{"id":"mag:176050848","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/22882931","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":null,"is_accepted":false,"is_published":false,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":1.0,"display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2550686542","https://openalex.org/W2089272667","https://openalex.org/W4241665416","https://openalex.org/W1967183001","https://openalex.org/W2556109666","https://openalex.org/W3074045612","https://openalex.org/W2062151018","https://openalex.org/W2894026461","https://openalex.org/W4309666028","https://openalex.org/W2800380557"],"abstract_inverted_index":{"BACKGROUND:":[0],"Vitamin":[1],"D":[2,29,51],"has":[3],"been":[4,19,41],"found":[5],"to":[6,49,80,96,149,259],"have":[7,18,39],"a":[8,20,25,127],"role":[9],"in":[10,33,46,60,86,91,123,160,212,273],"the":[11,14,98,130,134,137,150,161,165,168,213,242,245,260],"function":[12],"of":[13,22,62,68,76,111,176,234,287],"immune":[15],"system.":[16],"There":[17],"lot":[21],"studies":[23,43],"investigating":[24],"relation":[26],"between":[27,100,129,164,241],"vitamin":[28,50],"and":[30,53,70,95,103,109,117,133,145,167,187,192,202,217,231,244,254,276,285],"disease":[31,63,105,281],"activity":[32],"ankylosing":[34],"spondylitis":[35],"(AS).":[36],"However,":[37],"there":[38],"not":[40],"any":[42,55],"arranging":[44],"AS":[45,87,104,177,204,227,232,274],"groups":[47,170],"according":[48,148],"levels":[52,85,102,153,181,262,270],"determining":[54],"differences":[56,159],"among":[57],"these":[58],"patients":[59,88,116,178,275],"terms":[61],"activity,":[64,106,282],"functional":[65,107,283],"status,":[66,108],"quality":[67,110,286],"life,":[69],"other":[71],"clinical":[72],"parameters.":[73],"The":[74,158,174,225,267],"aim":[75],"this":[77,124,277],"study":[78],"is":[79],"compare":[81],"25-hydroxy-vitamin":[82],"D3":[83],"(25(OH)D3)":[84],"with":[89],"those":[90],"normal":[92,243],"healthy":[93,119],"subjects":[94],"determine":[97],"relationship":[99],"25(OH)D3":[101,152,162,180,219,261,269],"life.":[112,288],"METHODS:":[113],"Ninety-nine":[114],"consecutive":[115],"42":[118],"volunteers":[120],"were":[121,171,182,189,210,238,256],"included":[122],"study.":[125],"After":[126],"comparison":[128],"patient":[131,138,166],"group":[132,139],"control":[135,169],"group,":[136],"was":[140],"divided":[141],"into":[142],"normal,":[143,185],"insufficient":[144,216],"deficient":[146,188,246],"subgroups":[147,221,247],"plasma":[151,268],"for":[154],"another":[155],"comparison.":[156],"RESULTS:":[157],"level":[163,220],"statistically":[172],"insignificant.":[173],"number":[175],"whose":[179],"classified":[183],"as":[184],"insufficient,":[186],"34,":[190],"29,":[191],"36,":[193],"respectively.":[194],"Erythrocyte":[195],"sedimentation":[196],"rate":[197],"(ESR),":[198],"C-reactive":[199],"protein":[200],"(CRP),":[201],"Bath":[203,226],"Disease":[205],"Activity":[206],"Index":[207,229],"(BASDAI)":[208],"scores":[209,237],"higher":[211],"low":[214],"(including":[215],"deficient)":[218],"(P":[222,248,263],"<":[223,249,264],"0.05).":[224,250,265],"Functional":[228],"(BASFI)":[230],"Quality":[233],"Life":[235],"(ASQoL)":[236],"significantly":[239],"different":[240],"Pain,":[251],"BASDAI,":[252],"ESR,":[253],"CRP":[255],"inversely":[257],"correlated":[258],"CONCLUSIONS:":[266],"may":[271,278],"decrease":[272],"negatively":[279],"affect":[280],"status":[284]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":6},{"year":2016,"cited_by_count":4},{"year":2014,"cited_by_count":7},{"year":2013,"cited_by_count":1}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}
