{"id":"https://openalex.org/W3112929784","doi":"https://doi.org/10.1016/j.ekir.2020.11.028","title":"GFR Estimation After Cystatin C Reference Material Change","display_name":"GFR Estimation After Cystatin C Reference Material Change","publication_year":2020,"publication_date":"2020-12-07","ids":{"openalex":"https://openalex.org/W3112929784","doi":"https://doi.org/10.1016/j.ekir.2020.11.028","mag":"3112929784","pmid":"https://pubmed.ncbi.nlm.nih.gov/33615068","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/7879112"},"language":"en","primary_location":{"id":"doi:10.1016/j.ekir.2020.11.028","doi":"https://doi.org/10.1016/j.ekir.2020.11.028","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.ekir.2020.11.028","pdf_url":null,"source":{"id":"https://openalex.org/S2764478277","display_name":"Kidney International Reports","issn_l":"2468-0249","issn":["2468-0249"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","doyens","jufo-1","ki-jl-2","norway-1","oarl","poland-40","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"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":"Kidney International Reports","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1016/j.ekir.2020.11.028","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5052013349","display_name":"Stefanie Woolridge Benoit","orcid":"https://orcid.org/0000-0002-4203-1978","observed_orcids":["https://orcid.org/0000-0002-4203-1978"]},"institutions":[{"id":"https://openalex.org/I1285204247","display_name":"Cincinnati Children's Hospital Medical Center","ror":"https://ror.org/01hcyya48","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1285204247"]},{"id":"https://openalex.org/I63135867","display_name":"University of Cincinnati","ror":"https://ror.org/01e3m7079","country_code":"US","type":"education","lineage":["https://openalex.org/I63135867"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Stefanie W. Benoit","raw_affiliation_strings":["Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, Ohio, USA","Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA","Division of Nephrology & Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, Ohio, USA","institution_ids":["https://openalex.org/I63135867"]},{"raw_affiliation_string":"Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA","institution_ids":["https://openalex.org/I1285204247"]},{"raw_affiliation_string":"Division of Nephrology & Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA","institution_ids":["https://openalex.org/I1285204247"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111953849","display_name":"Thelma Kathman","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1285204247","display_name":"Cincinnati Children's Hospital Medical Center","ror":"https://ror.org/01hcyya48","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1285204247"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Thelma Kathman","raw_affiliation_strings":["Division of Nephrology & Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Nephrology & Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA","institution_ids":["https://openalex.org/I1285204247"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112591983","display_name":"Jay Patel","orcid":"https://orcid.org/0009-0000-0062-6087","observed_orcids":["https://orcid.org/0009-0000-0062-6087"]},"institutions":[{"id":"https://openalex.org/I1285204247","display_name":"Cincinnati Children's Hospital Medical Center","ror":"https://ror.org/01hcyya48","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1285204247"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jay Patel","raw_affiliation_strings":["Division of Nephrology & Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Nephrology & Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA","institution_ids":["https://openalex.org/I1285204247"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038108376","display_name":"Melinda Stegman","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1285204247","display_name":"Cincinnati Children's Hospital Medical Center","ror":"https://ror.org/01hcyya48","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1285204247"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Melinda Stegman","raw_affiliation_strings":["Division of Nephrology & Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Nephrology & Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA","institution_ids":["https://openalex.org/I1285204247"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046986983","display_name":"Cristina Cobb","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1285204247","display_name":"Cincinnati Children's Hospital Medical Center","ror":"https://ror.org/01hcyya48","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1285204247"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Cristina Cobb","raw_affiliation_strings":["Division of Nephrology & Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Nephrology & Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA","institution_ids":["https://openalex.org/I1285204247"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071939247","display_name":"Jonathan M. Hoehn","orcid":"https://orcid.org/0009-0007-4953-8695","observed_orcids":["https://orcid.org/0009-0007-4953-8695"]},"institutions":[{"id":"https://openalex.org/I63135867","display_name":"University of Cincinnati","ror":"https://ror.org/01e3m7079","country_code":"US","type":"education","lineage":["https://openalex.org/I63135867"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jonathan Hoehn","raw_affiliation_strings":["Department of Emergency Medicine, University of Cincinnati, Cincinnati, Ohio, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Emergency Medicine, University of Cincinnati, Cincinnati, Ohio, USA","institution_ids":["https://openalex.org/I63135867"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029916378","display_name":"Prasad Devarajan","orcid":"https://orcid.org/0000-0002-7847-8552","observed_orcids":["https://orcid.org/0000-0002-7847-8552"]},"institutions":[{"id":"https://openalex.org/I1285204247","display_name":"Cincinnati Children's Hospital Medical Center","ror":"https://ror.org/01hcyya48","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1285204247"]},{"id":"https://openalex.org/I63135867","display_name":"University of Cincinnati","ror":"https://ror.org/01e3m7079","country_code":"US","type":"education","lineage":["https://openalex.org/I63135867"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Prasad Devarajan","raw_affiliation_strings":["Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, Ohio, USA","Division of Nephrology & Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, Ohio, USA","institution_ids":["https://openalex.org/I63135867"]},{"raw_affiliation_string":"Division of Nephrology & Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA","institution_ids":["https://openalex.org/I1285204247"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050747063","display_name":"Edward J. Nehus","orcid":"https://orcid.org/0009-0008-6693-5067","observed_orcids":["https://orcid.org/0009-0008-6693-5067"]},"institutions":[{"id":"https://openalex.org/I1285204247","display_name":"Cincinnati Children's Hospital Medical Center","ror":"https://ror.org/01hcyya48","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1285204247"]},{"id":"https://openalex.org/I63135867","display_name":"University of Cincinnati","ror":"https://ror.org/01e3m7079","country_code":"US","type":"education","lineage":["https://openalex.org/I63135867"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Edward J. Nehus","raw_affiliation_strings":["Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, Ohio, USA","Division of Nephrology & Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, Ohio, USA","institution_ids":["https://openalex.org/I63135867"]},{"raw_affiliation_string":"Division of Nephrology & Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA","institution_ids":["https://openalex.org/I1285204247"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5052013349"],"corresponding_institution_ids":["https://openalex.org/I1285204247","https://openalex.org/I63135867"],"apc_list":{"value":2625,"currency":"USD","value_usd":2625},"apc_paid":{"value":2625,"currency":"USD","value_usd":2625},"fwci":0.4709,"has_fulltext":true,"cited_by_count":9,"citation_normalized_percentile":{"value":0.62217293,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":"6","issue":"2","first_page":"429","last_page":"436"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10408","display_name":"Chronic Kidney Disease and Diabetes","score":0.7445999979972839,"subfield":{"id":"https://openalex.org/subfields/2727","display_name":"Nephrology"},"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/T10408","display_name":"Chronic Kidney Disease and Diabetes","score":0.7445999979972839,"subfield":{"id":"https://openalex.org/subfields/2727","display_name":"Nephrology"},"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/T11314","display_name":"Clinical Laboratory Practices and Quality Control","score":0.23720000684261322,"subfield":{"id":"https://openalex.org/subfields/3607","display_name":"Medical Laboratory Technology"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11890","display_name":"Scientific Measurement and Uncertainty Evaluation","score":0.0032999999821186066,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/cystatin-c","display_name":"cystatin C","score":0.9139999747276306},{"id":"https://openalex.org/keywords/gfr-estimation","display_name":"glomerular filtration rate estimation","score":0.9800000190734863},{"id":"https://openalex.org/keywords/assay-standardization","display_name":"assay standardization","score":0.7620000243186951},{"id":"https://openalex.org/keywords/pediatric-patients","display_name":"pediatric patients","score":0.6610000133514404},{"id":"https://openalex.org/keywords/full-age-spectrum-equation","display_name":"Full Age Spectrum equation","score":0.9900000095367432},{"id":"https://openalex.org/keywords/pediatric-chronic-kidney-disease","display_name":"pediatric chronic kidney disease","score":0.7480000257492065}],"concepts":[{"id":"https://openalex.org/C2779548226","wikidata":"https://www.wikidata.org/wiki/Q413243","display_name":"Cystatin C","level":3,"score":0.9571224451065063},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8054144978523254},{"id":"https://openalex.org/C159641895","wikidata":"https://www.wikidata.org/wiki/Q108377937","display_name":"Renal function","level":2,"score":0.7388936281204224},{"id":"https://openalex.org/C2780412452","wikidata":"https://www.wikidata.org/wiki/Q4505907","display_name":"Cystatin","level":4,"score":0.6250696182250977},{"id":"https://openalex.org/C2780306776","wikidata":"https://www.wikidata.org/wiki/Q426660","display_name":"Creatinine","level":2,"score":0.41464513540267944},{"id":"https://openalex.org/C126894567","wikidata":"https://www.wikidata.org/wiki/Q105650","display_name":"Urology","level":1,"score":0.4114898145198822},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.24847739934921265}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1016/j.ekir.2020.11.028","doi":"https://doi.org/10.1016/j.ekir.2020.11.028","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.ekir.2020.11.028","pdf_url":null,"source":{"id":"https://openalex.org/S2764478277","display_name":"Kidney International Reports","issn_l":"2468-0249","issn":["2468-0249"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","doyens","jufo-1","ki-jl-2","norway-1","oarl","poland-40","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"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":"Kidney International Reports","raw_type":"journal-article"},{"id":"pmh:oai:pubmedcentral.nih.gov:7879112","doi":null,"is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC7879112/","pdf_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC7879112/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":"Kidney Int Rep","raw_type":"Text"},{"id":"pmid:33615068","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/33615068","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":"Kidney international reports","raw_type":"Journal Article"},{"id":"pmh:oai:doaj.org/article:3b00b6488cc94730b587b9e95b476725","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/3b00b6488cc94730b587b9e95b476725","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Kidney International Reports, Vol 6, Iss 2, Pp 429-436 (2021)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1016/j.ekir.2020.11.028","doi":"https://doi.org/10.1016/j.ekir.2020.11.028","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.ekir.2020.11.028","pdf_url":null,"source":{"id":"https://openalex.org/S2764478277","display_name":"Kidney International Reports","issn_l":"2468-0249","issn":["2468-0249"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","doyens","jufo-1","ki-jl-2","norway-1","oarl","poland-40","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"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":"Kidney International Reports","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.9391000270843506}],"study_designs":[],"awards":[{"id":"https://openalex.org/G5227617547","display_name":"Critical Translational Studies in Pediatric Nephrology","funder_award_id":"P50DK096418","funder_id":"https://openalex.org/F4320337357","funder_display_name":"National Institute of Diabetes and Digestive and Kidney Diseases"}],"funders":[{"id":"https://openalex.org/F4320332161","display_name":"National Institutes of Health","ror":"https://ror.org/01cwqze88"},{"id":"https://openalex.org/F4320337357","display_name":"National Institute of Diabetes and Digestive and Kidney Diseases","ror":"https://ror.org/00adh9b73"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3112929784.pdf","grobid_xml":"https://content.openalex.org/works/W3112929784.grobid-xml"},"referenced_works_count":45,"referenced_works":["https://openalex.org/W1580554988","https://openalex.org/W1972440844","https://openalex.org/W1982428643","https://openalex.org/W1994260337","https://openalex.org/W1995980728","https://openalex.org/W2005290596","https://openalex.org/W2015795623","https://openalex.org/W2026268928","https://openalex.org/W2029173637","https://openalex.org/W2037958904","https://openalex.org/W2057323699","https://openalex.org/W2064474435","https://openalex.org/W2068283296","https://openalex.org/W2074087223","https://openalex.org/W2080026853","https://openalex.org/W2107030820","https://openalex.org/W2108670430","https://openalex.org/W2110135514","https://openalex.org/W2110497256","https://openalex.org/W2118625269","https://openalex.org/W2136476728","https://openalex.org/W2141308966","https://openalex.org/W2143569975","https://openalex.org/W2143875989","https://openalex.org/W2145748409","https://openalex.org/W2149199918","https://openalex.org/W2155080636","https://openalex.org/W2160387492","https://openalex.org/W2163578189","https://openalex.org/W2164871823","https://openalex.org/W2277684258","https://openalex.org/W2289011303","https://openalex.org/W2292349136","https://openalex.org/W2342871247","https://openalex.org/W2398247652","https://openalex.org/W2465692541","https://openalex.org/W2547181265","https://openalex.org/W2576366868","https://openalex.org/W2586372027","https://openalex.org/W2908703016","https://openalex.org/W2921949583","https://openalex.org/W2985200133","https://openalex.org/W3031103682","https://openalex.org/W3046438740","https://openalex.org/W6681108567"],"related_works":["https://openalex.org/W2985200133","https://openalex.org/W2292349136","https://openalex.org/W2163578189","https://openalex.org/W4382631782","https://openalex.org/W2077201010","https://openalex.org/W4405739365","https://openalex.org/W1995980728","https://openalex.org/W2026268928","https://openalex.org/W2004880409","https://openalex.org/W2912884370"],"abstract_inverted_index":{"INTRODUCTION:":[0],"Glomerular":[1],"filtration":[2,34],"rate":[3,35],"(GFR)":[4],"is":[5],"routinely":[6],"estimated":[7],"with":[8,41,59,107,199],"cystatin":[9,24,31,52,81,123,135,155,210,233],"C.":[10],"In":[11],"June":[12],"2010,":[13],"the":[14,42,63,69,75,153,172,175,181,186,205,215,229,241],"International":[15],"Federation":[16],"of":[17,68,77,158,171,204,217,236,240],"Clinical":[18,221],"Chemistry":[19],"(IFCC)":[20],"released":[21],"a":[22,99,149],"certified":[23],"C":[25,32,53,82,90,124,136,156,211],"reference":[26,243],"material":[27],"(ERM-DA471/IFCC),":[28],"and":[29,56,84,117,133,213,223],"new":[30],"glomerular":[33],"estimation":[36,235],"(eGFR)":[37],"equations":[38,130,161],"were":[39,112,138],"developed":[40],"IFCC":[43,78,134,167,173,206,242],"standard.":[44,244],"Early":[45],"in":[46,62,94,126,148,152,190,197],"2018,":[47],"Siemens":[48,115],"discontinued":[49],"their":[50,103],"nonstandardized":[51,116],"reagent":[54],"kits":[55,61,119],"replaced":[57],"them":[58],"IFCC-calibrated":[60],"US":[64],"market.":[65],"The":[66,144],"aim":[67],"current":[70],"study":[71],"was":[72,92,194],"to":[73,120,166,227],"assess":[74],"effect":[76],"calibration":[79],"on":[80],"values":[83,137,212],"corresponding":[85],"GFR":[86,105,164,218,237],"estimations.":[87],"METHODS:":[88],"Cystatin":[89],"concentration":[91],"measured":[93,154],"81":[95],"pediatric":[96],"patients":[97],"using":[98,114,131,140],"plasma":[100],"sample":[101],"from":[102],"nuclear":[104],"measurement":[106],"99mTc-diethylenetriaminepentaaccetic":[108],"acid.":[109],"Calibration":[110],"curves":[111],"generated":[113],"IFCC-standardized":[118,145],"measure":[121],"paired":[122],"concentrations":[125],"each":[127],"sample.":[128],"GFR-estimating":[129],"pre-IFCC":[132],"compared":[139],"Bland-Altman":[141],"analyses.":[142],"RESULTS:":[143],"assay":[146],"resulted":[147],"mean":[150],"increase":[151],"value":[157],"24%.":[159],"Estimating":[160],"consistently":[162],"overestimated":[163],"prior":[165],"standardization.":[168],"Following":[169],"incorporation":[170],"standard,":[174],"Full":[176],"Age":[177],"Spectrum":[178],"equation":[179,193,230],"demonstrated":[180],"best":[182],"overall":[183],"performance,":[184],"whereas":[185],"Chronic":[187],"Kidney":[188],"Disease":[189],"Children":[191],"(CKiD)":[192],"more":[195],"accurate":[196],"children":[198],"decreased":[200],"GFR.":[201],"CONCLUSION:":[202],"Incorporation":[203],"standard":[207],"significantly":[208],"increased":[209],"affected":[214],"performance":[216],"estimating":[219],"equations.":[220],"laboratories":[222],"providers":[224],"may":[225],"need":[226],"update":[228],"used":[231],"for":[232],"C-based":[234],"following":[238],"adoption":[239]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1}],"updated_date":"2026-11-11T12:16:26.678958","created_date":"2020-12-21T00:00:00"}