{"id":"https://openalex.org/W2013991824","doi":"https://doi.org/10.1007/s00198-010-1484-y","title":"Seasonal variation of serum 25-hydroxyvitamin D levels in adult patients with inflammatory bowel disease","display_name":"Seasonal variation of serum 25-hydroxyvitamin D levels in adult patients with inflammatory bowel disease","publication_year":2010,"publication_date":"2010-11-26","ids":{"openalex":"https://openalex.org/W2013991824","doi":"https://doi.org/10.1007/s00198-010-1484-y","mag":"2013991824","pmid":"https://pubmed.ncbi.nlm.nih.gov/21113577","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/3186887"},"language":"en","primary_location":{"id":"doi:10.1007/s00198-010-1484-y","doi":"https://doi.org/10.1007/s00198-010-1484-y","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s00198-010-1484-y","pdf_url":"https://link.springer.com/content/pdf/10.1007/s00198-010-1484-y.pdf","source":{"id":"https://openalex.org/S170889201","display_name":"Osteoporosis International","issn_l":"0937-941X","issn":["0937-941X","1433-2965"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-1","medline","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Osteoporosis International","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://link.springer.com/content/pdf/10.1007/s00198-010-1484-y.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5111995541","display_name":"Paul H. A. Bours","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210158428","display_name":"Meander Medisch Centrum","ror":"https://ror.org/04n1xa154","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I4210158428"]}],"countries":["NL"],"is_corresponding":true,"raw_author_name":"P. H. A. Bours","raw_affiliation_strings":["Department of Gastroenterology and Hepatology, Meander Medical Centre, Amersfoort, The Netherlands. pha.bours@gmail.com","Department of Gastroenterology and Hepatology, Meander Medical Centre, Amersfoort, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Gastroenterology and Hepatology, Meander Medical Centre, Amersfoort, The Netherlands. pha.bours@gmail.com","institution_ids":["https://openalex.org/I4210158428"]},{"raw_affiliation_string":"Department of Gastroenterology and Hepatology, Meander Medical Centre, Amersfoort, The Netherlands","institution_ids":["https://openalex.org/I4210158428"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007093066","display_name":"Jos P.M. Wielders","orcid":"https://orcid.org/0000-0002-3155-6373","observed_orcids":["https://orcid.org/0000-0002-3155-6373"]},"institutions":[{"id":"https://openalex.org/I4210158428","display_name":"Meander Medisch Centrum","ror":"https://ror.org/04n1xa154","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I4210158428"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"J. P. M. Wielders","raw_affiliation_strings":["Department of Clinical Chemistry, Meander Medical Centre, Amersfoort, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Clinical Chemistry, Meander Medical Centre, Amersfoort, The Netherlands","institution_ids":["https://openalex.org/I4210158428"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058178659","display_name":"J Vermeijden","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210158428","display_name":"Meander Medisch Centrum","ror":"https://ror.org/04n1xa154","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I4210158428"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"J. R. Vermeijden","raw_affiliation_strings":["Department of Gastroenterology and Hepatology, Meander Medical Centre, Amersfoort, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Gastroenterology and Hepatology, Meander Medical Centre, Amersfoort, The Netherlands","institution_ids":["https://openalex.org/I4210158428"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109414496","display_name":"Albert van de Wiel","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210158428","display_name":"Meander Medisch Centrum","ror":"https://ror.org/04n1xa154","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I4210158428"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"A. van de Wiel","raw_affiliation_strings":["Department of Internal Medicine, Meander Medical Centre, Amersfoort, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Internal Medicine, Meander Medical Centre, Amersfoort, The Netherlands","institution_ids":["https://openalex.org/I4210158428"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5111995541"],"corresponding_institution_ids":["https://openalex.org/I4210158428"],"apc_list":{"value":5090,"currency":"USD","value_usd":5090},"apc_paid":{"value":5090,"currency":"USD","value_usd":5090},"fwci":3.4949,"has_fulltext":true,"cited_by_count":64,"citation_normalized_percentile":{"value":0.92726266,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"22","issue":"11","first_page":"2857","last_page":"2867"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10277","display_name":"Vitamin D Research Studies","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10277","display_name":"Vitamin D Research Studies","score":1.0,"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/T10134","display_name":"Inflammatory Bowel Disease","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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/T10071","display_name":"Bone health and osteoporosis research","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports 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/inflammatory-bowel-disease","display_name":"inflammatory bowel disease","score":0.9670000076293945},{"id":"https://openalex.org/keywords/vitamin-d-deficiency","display_name":"vitamin D deficiency","score":0.9670000076293945},{"id":"https://openalex.org/keywords/25-hydroxyvitamin-d","display_name":"25-hydroxyvitamin D","score":0.9430000185966492},{"id":"https://openalex.org/keywords/seasonal-variation","display_name":"seasonal variation","score":0.9670000076293945},{"id":"https://openalex.org/keywords/osteoporosis-risk","display_name":"osteoporosis risk","score":0.8460000157356262},{"id":"https://openalex.org/keywords/vitamin-d-supplementation","display_name":"vitamin D supplementation","score":0.8420000076293945},{"id":"https://openalex.org/keywords/uv-exposure","display_name":"UV exposure","score":0.765999972820282},{"id":"https://openalex.org/keywords/vitamin-d-intake","display_name":"vitamin D intake","score":0.7310000061988831},{"id":"https://openalex.org/keywords/ibd-activity","display_name":"IBD activity","score":0.7260000109672546},{"id":"https://openalex.org/keywords/erythrocyte-sedimentation-rate","display_name":"erythrocyte sedimentation rate","score":0.9070000052452087},{"id":"https://openalex.org/keywords/red-blood-cell-distribution-width","display_name":"red cell distribution width","score":0.984000027179718},{"id":"https://openalex.org/keywords/vitamin-d-status-screening","display_name":"vitamin D status screening","score":0.6060000061988831}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9587818384170532},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.6720892190933228},{"id":"https://openalex.org/C2779740938","wikidata":"https://www.wikidata.org/wiki/Q4138762","display_name":"vitamin D deficiency","level":3,"score":0.6308277249336243},{"id":"https://openalex.org/C156957248","wikidata":"https://www.wikidata.org/wiki/Q1862216","display_name":"Odds ratio","level":2,"score":0.624458372592926},{"id":"https://openalex.org/C2776541429","wikidata":"https://www.wikidata.org/wiki/Q165328","display_name":"Osteoporosis","level":2,"score":0.6083216667175293},{"id":"https://openalex.org/C124490489","wikidata":"https://www.wikidata.org/wiki/Q7936963","display_name":"Vitamin D and neurology","level":2,"score":0.6039528250694275},{"id":"https://openalex.org/C2778143017","wikidata":"https://www.wikidata.org/wiki/Q111208","display_name":"Erythrocyte sedimentation rate","level":2,"score":0.5952473878860474},{"id":"https://openalex.org/C2778260677","wikidata":"https://www.wikidata.org/wiki/Q917447","display_name":"Inflammatory bowel disease","level":3,"score":0.5323617458343506},{"id":"https://openalex.org/C44249647","wikidata":"https://www.wikidata.org/wiki/Q208498","display_name":"Confidence interval","level":2,"score":0.5190380215644836},{"id":"https://openalex.org/C144301174","wikidata":"https://www.wikidata.org/wiki/Q7893852","display_name":"Univariate analysis","level":3,"score":0.43724215030670166},{"id":"https://openalex.org/C90924648","wikidata":"https://www.wikidata.org/wiki/Q120569","display_name":"Gastroenterology","level":1,"score":0.3926142454147339},{"id":"https://openalex.org/C2779134260","wikidata":"https://www.wikidata.org/wiki/Q12136","display_name":"Disease","level":2,"score":0.2902265191078186},{"id":"https://openalex.org/C38180746","wikidata":"https://www.wikidata.org/wiki/Q1952580","display_name":"Multivariate analysis","level":2,"score":0.2585628628730774}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","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":"D005500","descriptor_name":"Follow-Up Studies","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":"D009426","descriptor_name":"Netherlands","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D011446","descriptor_name":"Prospective Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012307","descriptor_name":"Risk Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012621","descriptor_name":"Seasons","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D014807","descriptor_name":"Vitamin D","qualifier_ui":"Q000008","qualifier_name":"administration & dosage","is_major_topic":false},{"descriptor_ui":"D014807","descriptor_name":"Vitamin D","qualifier_ui":"Q000031","qualifier_name":"analogs & derivatives","is_major_topic":true},{"descriptor_ui":"D014807","descriptor_name":"Vitamin D","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":false},{"descriptor_ui":"D014808","descriptor_name":"Vitamin D Deficiency","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true},{"descriptor_ui":"D014808","descriptor_name":"Vitamin D Deficiency","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D014815","descriptor_name":"Vitamins","qualifier_ui":"Q000008","qualifier_name":"administration & dosage","is_major_topic":false},{"descriptor_ui":"D015212","descriptor_name":"Inflammatory Bowel Diseases","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true},{"descriptor_ui":"D015212","descriptor_name":"Inflammatory Bowel Diseases","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D019587","descriptor_name":"Dietary Supplements","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":false}],"locations_count":4,"locations":[{"id":"doi:10.1007/s00198-010-1484-y","doi":"https://doi.org/10.1007/s00198-010-1484-y","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s00198-010-1484-y","pdf_url":"https://link.springer.com/content/pdf/10.1007/s00198-010-1484-y.pdf","source":{"id":"https://openalex.org/S170889201","display_name":"Osteoporosis International","issn_l":"0937-941X","issn":["0937-941X","1433-2965"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-1","medline","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Osteoporosis International","raw_type":"journal-article"},{"id":"pmh:oai:pubmedcentral.nih.gov:3186887","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/3186887","pdf_url":null,"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","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Osteoporos Int","raw_type":"Text"},{"id":"pmid:21113577","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/21113577","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":"Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA","raw_type":"Journal Article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.290.337","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.290.337","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ftp://ftp.ncbi.nlm.nih.gov/pub/pmc/84/a1/Osteoporos_Int_2011_Nov_27_22(11)_2857-2867.tar.gz","raw_type":"text"}],"best_oa_location":{"id":"doi:10.1007/s00198-010-1484-y","doi":"https://doi.org/10.1007/s00198-010-1484-y","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s00198-010-1484-y","pdf_url":"https://link.springer.com/content/pdf/10.1007/s00198-010-1484-y.pdf","source":{"id":"https://openalex.org/S170889201","display_name":"Osteoporosis International","issn_l":"0937-941X","issn":["0937-941X","1433-2965"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-1","medline","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Osteoporosis International","raw_type":"journal-article"},"sustainable_development_goals":[{"score":1.0,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2013991824.pdf","grobid_xml":"https://content.openalex.org/works/W2013991824.grobid-xml"},"referenced_works_count":47,"referenced_works":["https://openalex.org/W200850222","https://openalex.org/W282794114","https://openalex.org/W1544124240","https://openalex.org/W1549000600","https://openalex.org/W1918242454","https://openalex.org/W1945180487","https://openalex.org/W1963530362","https://openalex.org/W1963849816","https://openalex.org/W1966383076","https://openalex.org/W1966584131","https://openalex.org/W1974125594","https://openalex.org/W1980122293","https://openalex.org/W1990076699","https://openalex.org/W1990637590","https://openalex.org/W1996926435","https://openalex.org/W2008826830","https://openalex.org/W2011508578","https://openalex.org/W2026344725","https://openalex.org/W2030919245","https://openalex.org/W2038003193","https://openalex.org/W2047176148","https://openalex.org/W2065637841","https://openalex.org/W2070478527","https://openalex.org/W2074395748","https://openalex.org/W2083640662","https://openalex.org/W2102523286","https://openalex.org/W2105060540","https://openalex.org/W2114129616","https://openalex.org/W2116148243","https://openalex.org/W2116482730","https://openalex.org/W2119208138","https://openalex.org/W2119739932","https://openalex.org/W2120649740","https://openalex.org/W2121484716","https://openalex.org/W2124070987","https://openalex.org/W2127260850","https://openalex.org/W2127347194","https://openalex.org/W2136914804","https://openalex.org/W2148403629","https://openalex.org/W2151146904","https://openalex.org/W2152523567","https://openalex.org/W2161720966","https://openalex.org/W2171086243","https://openalex.org/W2420842726","https://openalex.org/W2435540824","https://openalex.org/W2479970729","https://openalex.org/W2555924635"],"related_works":["https://openalex.org/W7100649359","https://openalex.org/W4391162658","https://openalex.org/W2977885827","https://openalex.org/W2312974303","https://openalex.org/W2904338067","https://openalex.org/W2914809673","https://openalex.org/W2010005325","https://openalex.org/W2791718992","https://openalex.org/W2977761097","https://openalex.org/W2587062509"],"abstract_inverted_index":{"UNLABELLED:":[0],"Patients":[1,56,84],"with":[2,57,105,212,227,252],"inflammatory":[3,286],"bowel":[4],"disease":[5],"(IBD)":[6],"are":[7,59,274],"at":[8,35,60,90],"risk":[9,20,61,291],"of":[10,22,38,44,62,71,76,93,133,143,153,219,265,292],"osteoporosis.":[11,23,63],"Vitamin":[12],"D":[13],"(vitD)":[14],"deficiency":[15,73,89,155,241],"is":[16,242,258],"known":[17],"as":[18],"a":[19,225],"factor":[21],"We":[24],"observed":[25],"low":[26,213,278],"vitD":[27,46,68,72,77,88,123,139,154,158,214,228,237,262,267,279,305],"blood":[28,199],"levels":[29,215,280],"in":[30,48,79,244,269,294],"adult":[31,80],"IBD":[32,58,81,118,195,245,282,295],"patients":[33,137,146],"both":[34],"the":[36,91,134,144,220,253,301],"end":[37,92],"summer":[39,94],"and":[40,74,95,122,127,183,205,233,284],"winter.":[41],"Furthermore,":[42],"effects":[43,75],"oral":[45,157,266],"supplementation":[47,78,159,268],"(generally":[49,270],"low)":[50,271],"daily":[51,272],"dosages":[52,273],"were":[53,85,138,148,156,210,236,281],"poor.":[54,275],"INTRODUCTION:":[55],"This":[64],"study":[65],"evaluates":[66],"seasonal":[67],"status,":[69],"determinants":[70,152],"patients.":[82],"METHODS:":[83],"screened":[86],"for":[87,114,260,277],"winter":[96],"using":[97,216],"serum":[98],"25OHD(3)":[99],"(cut-off":[100],"point,":[101],"<50":[102],"nmol/L)":[103],"combined":[104],"routine":[106],"laboratory":[107],"tests.":[108],"A":[109],"standardized":[110],"questionnaire":[111],"was":[112],"used":[113],"demographic/lifestyle":[115],"data":[116],"i.e.":[117],"activity,":[119],"health":[120],"behaviour":[121],"intake":[124],"through":[125],"diet":[126],"ultraviolet":[128],"light.":[129],"RESULTS:":[130],"Late-summer,":[131],"39%":[132],"included":[135],"316":[136],"deficient.":[140,149,238],"Late-winter,":[141],"57%":[142],"follow-up":[145],"(n=281)":[147],"Independent":[150],"protective":[151],"(summer/winter:":[160,187],"odds":[161],"ratio":[162],"[OR],":[163],"0.52":[164],"[95%":[165,171,180,190],"confidence":[166],"interval":[167],"[CI],":[168],"0.29-0.94]/OR,":[169],"0.44":[170],"CI,":[172,181,191],"0.26-0.75]),":[173],"recent":[174],"sun":[175],"holiday":[176],"(summer:":[177],"OR,":[178,188],"0.42":[179],"0.24-0.74])":[182],"regular":[184],"solarium":[185],"visits":[186],"0.28":[189],"0.13-0.63]/OR,":[192],"0.17":[193],"[0.06-0.50]).":[194],"activity":[196,283],"(p=0.031),":[197],"red":[198],"cell":[200],"distribution":[201],"width":[202],"(RDW;":[203],"p=0.04)":[204],"erythrocyte":[206],"sedimentation":[207],"rate":[208],"(p=0.03)":[209],"associated":[211],"univariate":[217],"analyses":[218],"extreme":[221],"25OHD":[222],"quartiles.":[223],"In":[224],"subgroup":[226],"supplementation,":[229],"still":[230],"30%":[231],"(late-summer)":[232],"44%":[234],"(late-winter)":[235],"CONCLUSION:":[239],"VitD":[240],"common":[243],"patients,":[246],"but":[247],"prevalence":[248],"might":[249,296],"be":[250,297],"comparable":[251],"general":[254],"population.":[255],"Ultraviolet":[256],"light":[257],"essential":[259],"adequate":[261],"levels.":[263],"Effects":[264],"Determinants":[276],"elevated":[285],"markers,":[287],"suggesting":[288],"that":[289],"increased":[290],"osteoporosis":[293],"more":[298],"related":[299],"to":[300,304],"inflammation":[302],"than":[303],"deficiency.":[306]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":9},{"year":2014,"cited_by_count":6},{"year":2013,"cited_by_count":7},{"year":2012,"cited_by_count":9}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}