Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2071954235', 'doi': 'https://doi.org/10.2337/diacare.26.4.1320', 'title': 'Performance of Serum Cystatin-C Versus Serum Creatinine in Subjects With Type 1 Diabetes', 'display_name': 'Performance of Serum Cystatin-C Versus Serum Creatinine in Subjects With Type 1 Diabetes', 'publication_year': 2003, 'publication_date': '2003-04-01', 'ids': {'openalex': 'https://openalex.org/W2071954235', 'doi': 'https://doi.org/10.2337/diacare.26.4.1320', 'mag': '2071954235', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/12663624'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.2337/diacare.26.4.1320', 'pdf_url': 'https://diabetesjournals.org/care/article-pdf/26/4/1320/659545/1320.pdf', 'source': {'id': 'https://openalex.org/S49878492', 'display_name': 'Diabetes Care', 'issn_l': '0149-5992', 'issn': ['0149-5992', '1935-5548'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320274', 'host_organization_name': 'American Diabetes Association', 'host_organization_lineage': ['https://openalex.org/P4310320274'], 'host_organization_lineage_names': ['American Diabetes Association'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'letter', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': True, 'oa_status': 'bronze', 'oa_url': 'https://diabetesjournals.org/care/article-pdf/26/4/1320/659545/1320.pdf', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5030821450', 'display_name': 'Martin Buysschaert', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1315288073', 'display_name': 'Cliniques Universitaires Saint-Luc', 'ror': 'https://ror.org/03s4khd80', 'country_code': 'BE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1315288073']}, {'id': 'https://openalex.org/I95674353', 'display_name': 'UCLouvain', 'ror': 'https://ror.org/02495e989', 'country_code': 'BE', 'type': 'education', 'lineage': ['https://openalex.org/I95674353']}], 'countries': ['BE'], 'is_corresponding': False, 'raw_author_name': 'Martin Buysschaert', 'raw_affiliation_strings': ['Department of Endocrinology and Nutrition, Cliniques Universitaires St. Luc, Université Catholique de Louvain, Brussels, Belgium'], 'affiliations': [{'raw_affiliation_string': 'Department of Endocrinology and Nutrition, Cliniques Universitaires St. Luc, Université Catholique de Louvain, Brussels, Belgium', 'institution_ids': ['https://openalex.org/I1315288073', 'https://openalex.org/I95674353']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5088423429', 'display_name': 'Ihab Joudi', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1315288073', 'display_name': 'Cliniques Universitaires Saint-Luc', 'ror': 'https://ror.org/03s4khd80', 'country_code': 'BE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1315288073']}, {'id': 'https://openalex.org/I95674353', 'display_name': 'UCLouvain', 'ror': 'https://ror.org/02495e989', 'country_code': 'BE', 'type': 'education', 'lineage': ['https://openalex.org/I95674353']}], 'countries': ['BE'], 'is_corresponding': False, 'raw_author_name': 'Ihab Joudi', 'raw_affiliation_strings': ['Department of Endocrinology and Nutrition, Cliniques Universitaires St. Luc, Université Catholique de Louvain, Brussels, Belgium'], 'affiliations': [{'raw_affiliation_string': 'Department of Endocrinology and Nutrition, Cliniques Universitaires St. Luc, Université Catholique de Louvain, Brussels, Belgium', 'institution_ids': ['https://openalex.org/I1315288073', 'https://openalex.org/I95674353']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5111494873', 'display_name': 'Pierre Wallemacq', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1315288073', 'display_name': 'Cliniques Universitaires Saint-Luc', 'ror': 'https://ror.org/03s4khd80', 'country_code': 'BE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1315288073']}, {'id': 'https://openalex.org/I95674353', 'display_name': 'UCLouvain', 'ror': 'https://ror.org/02495e989', 'country_code': 'BE', 'type': 'education', 'lineage': ['https://openalex.org/I95674353']}], 'countries': ['BE'], 'is_corresponding': False, 'raw_author_name': 'Pierre Wallemacq', 'raw_affiliation_strings': ['Department of Clinical Biology, Cliniques Universitaires St. Luc, Université Catholique de Louvain, Brussels, Belgium'], 'affiliations': [{'raw_affiliation_string': 'Department of Clinical Biology, Cliniques Universitaires St. Luc, Université Catholique de Louvain, Brussels, Belgium', 'institution_ids': ['https://openalex.org/I1315288073', 'https://openalex.org/I95674353']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5022085199', 'display_name': 'Michel P. Hermans', 'orcid': 'https://orcid.org/0000-0002-1647-9031'}, 'institutions': [{'id': 'https://openalex.org/I95674353', 'display_name': 'UCLouvain', 'ror': 'https://ror.org/02495e989', 'country_code': 'BE', 'type': 'education', 'lineage': ['https://openalex.org/I95674353']}, {'id': 'https://openalex.org/I1315288073', 'display_name': 'Cliniques Universitaires Saint-Luc', 'ror': 'https://ror.org/03s4khd80', 'country_code': 'BE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1315288073']}], 'countries': ['BE'], 'is_corresponding': False, 'raw_author_name': 'Michel P. Hermans', 'raw_affiliation_strings': ['Department of Endocrinology and Nutrition, Cliniques Universitaires St. Luc, Université Catholique de Louvain, Brussels, Belgium'], 'affiliations': [{'raw_affiliation_string': 'Department of Endocrinology and Nutrition, Cliniques Universitaires St. Luc, Université Catholique de Louvain, Brussels, Belgium', 'institution_ids': ['https://openalex.org/I95674353', 'https://openalex.org/I1315288073']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': None, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 15, 'citation_normalized_percentile': {'value': 0.781513, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 83, 'max': 84}, 'biblio': {'volume': '26', 'issue': '4', 'first_page': '1320', 'last_page': '1320'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10408', 'display_name': 'Chronic Kidney Disease and Diabetes', 'score': 0.9997, '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': 0.9997, '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/T10291', 'display_name': 'Dialysis and Renal Disease Management', 'score': 0.9954, '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/T10144', 'display_name': 'Blood Pressure and Hypertension Studies', 'score': 0.9836, 'subfield': {'id': 'https://openalex.org/subfields/2705', 'display_name': 'Cardiology and Cardiovascular 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/cystatin', 'display_name': 'Cystatin', 'score': 0.6429261}, {'id': 'https://openalex.org/keywords/gold-standard', 'display_name': 'Gold standard (test)', 'score': 0.42731738}], 'concepts': [{'id': 'https://openalex.org/C2779548226', 'wikidata': 'https://www.wikidata.org/wiki/Q413243', 'display_name': 'Cystatin C', 'level': 3, 'score': 0.90748703}, {'id': 'https://openalex.org/C159641895', 'wikidata': 'https://www.wikidata.org/wiki/Q108377937', 'display_name': 'Renal function', 'level': 2, 'score': 0.88165116}, {'id': 'https://openalex.org/C2780306776', 'wikidata': 'https://www.wikidata.org/wiki/Q426660', 'display_name': 'Creatinine', 'level': 2, 'score': 0.8647094}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.8619392}, {'id': 'https://openalex.org/C2780412452', 'wikidata': 'https://www.wikidata.org/wiki/Q4505907', 'display_name': 'Cystatin', 'level': 4, 'score': 0.6429261}, {'id': 'https://openalex.org/C126894567', 'wikidata': 'https://www.wikidata.org/wiki/Q105650', 'display_name': 'Urology', 'level': 1, 'score': 0.62324476}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.5095668}, {'id': 'https://openalex.org/C2779742124', 'wikidata': 'https://www.wikidata.org/wiki/Q201552', 'display_name': 'Inulin', 'level': 2, 'score': 0.4995141}, {'id': 'https://openalex.org/C555293320', 'wikidata': 'https://www.wikidata.org/wiki/Q12206', 'display_name': 'Diabetes mellitus', 'level': 2, 'score': 0.49119446}, {'id': 'https://openalex.org/C134018914', 'wikidata': 'https://www.wikidata.org/wiki/Q162606', 'display_name': 'Endocrinology', 'level': 1, 'score': 0.45085472}, {'id': 'https://openalex.org/C40993552', 'wikidata': 'https://www.wikidata.org/wiki/Q514654', 'display_name': 'Gold standard (test)', 'level': 2, 'score': 0.42731738}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.06722763}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.064126104}], 'mesh': [{'descriptor_ui': 'D002556', 'descriptor_name': 'Cerebrospinal Fluid Proteins', 'qualifier_ui': 'Q000097', 'qualifier_name': 'blood', 'is_major_topic': True}, {'descriptor_ui': 'D003404', 'descriptor_name': 'Creatinine', 'qualifier_ui': 'Q000097', 'qualifier_name': 'blood', 'is_major_topic': True}, {'descriptor_ui': 'D015891', 'descriptor_name': 'Cystatins', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': True}, {'descriptor_ui': 'D003922', 'descriptor_name': 'Diabetes Mellitus, Type 1', 'qualifier_ui': 'Q000097', 'qualifier_name': 'blood', 'is_major_topic': True}, {'descriptor_ui': 'D000328', 'descriptor_name': 'Adult', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000368', 'descriptor_name': 'Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D015415', 'descriptor_name': 'Biomarkers', 'qualifier_ui': 'Q000097', 'qualifier_name': 'blood', 'is_major_topic': False}, {'descriptor_ui': 'D015415', 'descriptor_name': 'Biomarkers', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002556', 'descriptor_name': 'Cerebrospinal Fluid Proteins', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003404', 'descriptor_name': 'Creatinine', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D055316', 'descriptor_name': 'Cystatin C', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D015891', 'descriptor_name': 'Cystatins', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003922', 'descriptor_name': 'Diabetes Mellitus, Type 1', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005919', 'descriptor_name': 'Glomerular Filtration Rate', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008875', 'descriptor_name': 'Middle Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D015203', 'descriptor_name': 'Reproducibility of Results', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.2337/diacare.26.4.1320', 'pdf_url': 'https://diabetesjournals.org/care/article-pdf/26/4/1320/659545/1320.pdf', 'source': {'id': 'https://openalex.org/S49878492', 'display_name': 'Diabetes Care', 'issn_l': '0149-5992', 'issn': ['0149-5992', '1935-5548'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320274', 'host_organization_name': 'American Diabetes Association', 'host_organization_lineage': ['https://openalex.org/P4310320274'], 'host_organization_lineage_names': ['American Diabetes Association'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/12663624', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.2337/diacare.26.4.1320', 'pdf_url': 'https://diabetesjournals.org/care/article-pdf/26/4/1320/659545/1320.pdf', 'source': {'id': 'https://openalex.org/S49878492', 'display_name': 'Diabetes Care', 'issn_l': '0149-5992', 'issn': ['0149-5992', '1935-5548'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320274', 'host_organization_name': 'American Diabetes Association', 'host_organization_lineage': ['https://openalex.org/P4310320274'], 'host_organization_lineage_names': ['American Diabetes Association'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/3', 'display_name': 'Good health and well-being', 'score': 0.56}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 10, 'referenced_works': ['https://openalex.org/W1964932809', 'https://openalex.org/W2001382066', 'https://openalex.org/W2009278968', 'https://openalex.org/W2015143075', 'https://openalex.org/W2042272211', 'https://openalex.org/W2072075701', 'https://openalex.org/W2128886768', 'https://openalex.org/W2166027867', 'https://openalex.org/W2183285044', 'https://openalex.org/W2313625726'], 'related_works': ['https://openalex.org/W4365443248', 'https://openalex.org/W4327912477', 'https://openalex.org/W4232030898', 'https://openalex.org/W4224294110', 'https://openalex.org/W2968996197', 'https://openalex.org/W2382476504', 'https://openalex.org/W2067661072', 'https://openalex.org/W2047016359', 'https://openalex.org/W2032314092', 'https://openalex.org/W1995540208'], 'abstract_inverted_index': {'Glomerular': [0], 'filtration': [1], 'rate': [2], '(GFR)': [3], 'is': [4, 19, 26], 'considered': [5, 20], 'the': [6, 21, 40, 74, 91], 'best': [7], 'marker': [8, 57], 'of': [9, 34, 42, 58, 76, 93], 'renal': [10], 'function,': [11], 'and': [12, 28, 44, 63, 79, 96], 'its': [13], 'estimation': [14], 'using': [15], 'inulin': [16], 'or': [17], '51Cr-EDTA': [18], '“gold': [22], 'standard.”': [23], 'Such': [24], 'determination': [25], 'inconvenient': [27], 'often': [29], 'replaced': [30], 'by': [31], 'an': [32], 'estimate': [33], 'creatinine': [35, 80, 95], 'clearance': [36], '(CrCl)': [37], 'derived': [38], 'from': [39], 'formula': [41], 'Cockroft': [43], 'Gault': [45], '(CG).': [46], 'Serum': [47], 'cystatin-C': [48, 78, 97], 'was': [49], 'recently': [50], 'proposed': [51], 'as': [52], 'a': [53], 'reliable': [54], 'alternative': [55], 'routine': [56], 'GFR': [59, 85], 'in': [60, 81, 98], 'pediatric,': [61], 'adult,': [62], 'elderly': [64], 'subjects': [65], '(1–4).': [66], 'Although': [67], 'Dharnidharka': [68], 'et': [69], 'al.': [70], '(5)': [71], 'thouroughly': [72], 'review': [73], 'issue': [75], 'comparing': [77], 'relation': [82], 'to': [83], 'reference': [84], 'measurements,': [86], 'few': [87], 'reports': [88], 'deal': [89], 'with': [90], 'comparison': [92], 'serum': [94], 'diabetic': [99], 'patients': [100], '…': [101]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2071954235', 'counts_by_year': [{'year': 2021, 'cited_by_count': 2}, {'year': 2016, 'cited_by_count': 1}, {'year': 2015, 'cited_by_count': 1}, {'year': 2013, 'cited_by_count': 1}, {'year': 2012, 'cited_by_count': 1}], 'updated_date': '2024-12-15T22:12:15.977328', 'created_date': '2016-06-24'}