Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2801170949', 'doi': 'https://doi.org/10.1038/s41598-018-24750-z', 'title': 'Associations of obstructive sleep apnea with truncal skeletal muscle mass and density', 'display_name': 'Associations of obstructive sleep apnea with truncal skeletal muscle mass and density', 'publication_year': 2018, 'publication_date': '2018-04-19', 'ids': {'openalex': 'https://openalex.org/W2801170949', 'doi': 'https://doi.org/10.1038/s41598-018-24750-z', 'mag': '2801170949', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/29695811', 'pmcid': 'https://www.ncbi.nlm.nih.gov/pmc/articles/5916913'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1038/s41598-018-24750-z', 'pdf_url': 'https://www.nature.com/articles/s41598-018-24750-z.pdf', 'source': {'id': 'https://openalex.org/S196734849', 'display_name': 'Scientific Reports', 'issn_l': '2045-2322', 'issn': ['2045-2322'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319908', 'host_organization_name': 'Nature Portfolio', 'host_organization_lineage': ['https://openalex.org/P4310319908', 'https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Nature Portfolio', 'Springer Nature'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': True, 'oa_status': 'gold', 'oa_url': 'https://www.nature.com/articles/s41598-018-24750-z.pdf', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5101700258', 'display_name': 'Takeshi Matsumoto', 'orcid': 'https://orcid.org/0000-0002-6546-6376'}, 'institutions': [{'id': 'https://openalex.org/I22299242', 'display_name': 'Kyoto University', 'ror': 'https://ror.org/02kpeqv85', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I22299242']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Takeshi Matsumoto', 'raw_affiliation_strings': ['Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan'], 'affiliations': [{'raw_affiliation_string': 'Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan', 'institution_ids': ['https://openalex.org/I22299242']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5085556486', 'display_name': 'Kiminobu Tanizawa', 'orcid': 'https://orcid.org/0000-0002-5719-0744'}, 'institutions': [{'id': 'https://openalex.org/I22299242', 'display_name': 'Kyoto University', 'ror': 'https://ror.org/02kpeqv85', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I22299242']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Kiminobu Tanizawa', 'raw_affiliation_strings': ['Department of Respiratory Care and Sleep Control Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan'], 'affiliations': [{'raw_affiliation_string': 'Department of Respiratory Care and Sleep Control Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan', 'institution_ids': ['https://openalex.org/I22299242']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5062454590', 'display_name': 'Ryo Tachikawa', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I22299242', 'display_name': 'Kyoto University', 'ror': 'https://ror.org/02kpeqv85', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I22299242']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Ryo Tachikawa', 'raw_affiliation_strings': ['Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan'], 'affiliations': [{'raw_affiliation_string': 'Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan', 'institution_ids': ['https://openalex.org/I22299242']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5026990141', 'display_name': 'Kimihiko Murase', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I22299242', 'display_name': 'Kyoto University', 'ror': 'https://ror.org/02kpeqv85', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I22299242']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Kimihiko Murase', 'raw_affiliation_strings': ['Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan'], 'affiliations': [{'raw_affiliation_string': 'Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan', 'institution_ids': ['https://openalex.org/I22299242']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5074520153', 'display_name': 'Takuma Minami', 'orcid': 'https://orcid.org/0000-0001-7353-1142'}, 'institutions': [{'id': 'https://openalex.org/I22299242', 'display_name': 'Kyoto University', 'ror': 'https://ror.org/02kpeqv85', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I22299242']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Takuma Minami', 'raw_affiliation_strings': ['Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan'], 'affiliations': [{'raw_affiliation_string': 'Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan', 'institution_ids': ['https://openalex.org/I22299242']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5089888344', 'display_name': 'Morito Inouchi', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I22299242', 'display_name': 'Kyoto University', 'ror': 'https://ror.org/02kpeqv85', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I22299242']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Morito Inouchi', 'raw_affiliation_strings': ['Department of Respiratory Care and Sleep Control Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan'], 'affiliations': [{'raw_affiliation_string': 'Department of Respiratory Care and Sleep Control Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan', 'institution_ids': ['https://openalex.org/I22299242']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5061029263', 'display_name': 'Tomohiro Handa', 'orcid': 'https://orcid.org/0000-0002-3378-6412'}, 'institutions': [{'id': 'https://openalex.org/I22299242', 'display_name': 'Kyoto University', 'ror': 'https://ror.org/02kpeqv85', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I22299242']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Tomohiro Handa', 'raw_affiliation_strings': ['Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan'], 'affiliations': [{'raw_affiliation_string': 'Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan', 'institution_ids': ['https://openalex.org/I22299242']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5009602385', 'display_name': 'Toru Oga', 'orcid': 'https://orcid.org/0000-0001-7718-8652'}, 'institutions': [{'id': 'https://openalex.org/I22299242', 'display_name': 'Kyoto University', 'ror': 'https://ror.org/02kpeqv85', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I22299242']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Toru Oga', 'raw_affiliation_strings': ['Department of Respiratory Care and Sleep Control Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan'], 'affiliations': [{'raw_affiliation_string': 'Department of Respiratory Care and Sleep Control Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan', 'institution_ids': ['https://openalex.org/I22299242']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5048538074', 'display_name': 'Toyohiro Hirai', 'orcid': 'https://orcid.org/0000-0002-7431-9044'}, 'institutions': [{'id': 'https://openalex.org/I22299242', 'display_name': 'Kyoto University', 'ror': 'https://ror.org/02kpeqv85', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I22299242']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Toyohiro Hirai', 'raw_affiliation_strings': ['Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan'], 'affiliations': [{'raw_affiliation_string': 'Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan', 'institution_ids': ['https://openalex.org/I22299242']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5053180213', 'display_name': 'Kazuo Chin', 'orcid': 'https://orcid.org/0000-0002-1011-7478'}, 'institutions': [{'id': 'https://openalex.org/I22299242', 'display_name': 'Kyoto University', 'ror': 'https://ror.org/02kpeqv85', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I22299242']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Kazuo Chin', 'raw_affiliation_strings': ['Department of Respiratory Care and Sleep Control Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan'], 'affiliations': [{'raw_affiliation_string': 'Department of Respiratory Care and Sleep Control Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan', 'institution_ids': ['https://openalex.org/I22299242']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 1890, 'currency': 'EUR', 'value_usd': 2190, 'provenance': 'doaj'}, 'apc_paid': {'value': 1890, 'currency': 'EUR', 'value_usd': 2190, 'provenance': 'doaj'}, 'fwci': 1.842, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 20, 'citation_normalized_percentile': {'value': 0.756404, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 90, 'max': 91}, 'biblio': {'volume': '8', 'issue': '1', 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10234', 'display_name': 'Obstructive Sleep Apnea Research', 'score': 0.9997, 'subfield': {'id': 'https://openalex.org/subfields/2737', 'display_name': 'Physiology'}, '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/T10234', 'display_name': 'Obstructive Sleep Apnea Research', 'score': 0.9997, 'subfield': {'id': 'https://openalex.org/subfields/2737', 'display_name': 'Physiology'}, '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/T10397', 'display_name': 'Nutrition and Health in Aging', 'score': 0.9993, 'subfield': {'id': 'https://openalex.org/subfields/2737', 'display_name': 'Physiology'}, '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/T11579', 'display_name': 'Cardiovascular and Diving-Related Complications', 'score': 0.9696, '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': [], 'concepts': [{'id': 'https://openalex.org/C2779959927', 'wikidata': 'https://www.wikidata.org/wiki/Q1048687', 'display_name': 'Skeletal muscle', 'level': 2, 'score': 0.8502464}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.7987282}, {'id': 'https://openalex.org/C2776214593', 'wikidata': 'https://www.wikidata.org/wiki/Q1787939', 'display_name': 'Sarcopenia', 'level': 2, 'score': 0.77591324}, {'id': 'https://openalex.org/C2776006263', 'wikidata': 'https://www.wikidata.org/wiki/Q16606552', 'display_name': 'Obstructive sleep apnea', 'level': 2, 'score': 0.77136046}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.6459812}, {'id': 'https://openalex.org/C2780221984', 'wikidata': 'https://www.wikidata.org/wiki/Q131191', 'display_name': 'Body mass index', 'level': 2, 'score': 0.6370531}, {'id': 'https://openalex.org/C2778205975', 'wikidata': 'https://www.wikidata.org/wiki/Q1754874', 'display_name': 'Polysomnography', 'level': 3, 'score': 0.62435234}, {'id': 'https://openalex.org/C511355011', 'wikidata': 'https://www.wikidata.org/wiki/Q12174', 'display_name': 'Obesity', 'level': 2, 'score': 0.54589474}, {'id': 'https://openalex.org/C134018914', 'wikidata': 'https://www.wikidata.org/wiki/Q162606', 'display_name': 'Endocrinology', 'level': 1, 'score': 0.4891751}, {'id': 'https://openalex.org/C2781326671', 'wikidata': 'https://www.wikidata.org/wiki/Q754424', 'display_name': 'Apnea', 'level': 2, 'score': 0.39791694}], 'mesh': [{'descriptor_ui': 'D018482', 'descriptor_name': 'Muscle, Skeletal', 'qualifier_ui': 'Q000503', 'qualifier_name': 'physiopathology', 'is_major_topic': True}, {'descriptor_ui': 'D020181', 'descriptor_name': 'Sleep Apnea, Obstructive', 'qualifier_ui': 'Q000503', 'qualifier_name': 'physiopathology', 'is_major_topic': True}, {'descriptor_ui': 'D050154', 'descriptor_name': 'Adiposity', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': False}, {'descriptor_ui': 'D050154', 'descriptor_name': 'Adiposity', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D015992', 'descriptor_name': 'Body Mass Index', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005260', 'descriptor_name': 'Female', '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': 'D008297', 'descriptor_name': 'Male', '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': 'D018482', 'descriptor_name': 'Muscle, Skeletal', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009765', 'descriptor_name': 'Obesity', 'qualifier_ui': 'Q000503', 'qualifier_name': 'physiopathology', 'is_major_topic': False}, {'descriptor_ui': 'D009765', 'descriptor_name': 'Obesity', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D017286', 'descriptor_name': 'Polysomnography', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D017286', 'descriptor_name': 'Polysomnography', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': False}, {'descriptor_ui': 'D012189', 'descriptor_name': 'Retrospective Studies', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012307', 'descriptor_name': 'Risk Factors', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012720', 'descriptor_name': 'Severity of Illness Index', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D020181', 'descriptor_name': 'Sleep Apnea, Obstructive', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 3, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1038/s41598-018-24750-z', 'pdf_url': 'https://www.nature.com/articles/s41598-018-24750-z.pdf', 'source': {'id': 'https://openalex.org/S196734849', 'display_name': 'Scientific Reports', 'issn_l': '2045-2322', 'issn': ['2045-2322'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319908', 'host_organization_name': 'Nature Portfolio', 'host_organization_lineage': ['https://openalex.org/P4310319908', 'https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Nature Portfolio', 'Springer Nature'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5916913', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2764455111', 'display_name': 'PubMed Central', 'issn_l': None, 'issn': None, 'is_oa': True, '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': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/29695811', '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/10.1038/s41598-018-24750-z', 'pdf_url': 'https://www.nature.com/articles/s41598-018-24750-z.pdf', 'source': {'id': 'https://openalex.org/S196734849', 'display_name': 'Scientific Reports', 'issn_l': '2045-2322', 'issn': ['2045-2322'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319908', 'host_organization_name': 'Nature Portfolio', 'host_organization_lineage': ['https://openalex.org/P4310319908', 'https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Nature Portfolio', 'Springer Nature'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/3', 'score': 0.81, 'display_name': 'Good health and well-being'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 44, 'referenced_works': ['https://openalex.org/W1165940587', 'https://openalex.org/W135655820', 'https://openalex.org/W1500002609', 'https://openalex.org/W1577090346', 'https://openalex.org/W1973865742', 'https://openalex.org/W1990660204', 'https://openalex.org/W2002187071', 'https://openalex.org/W2026956668', 'https://openalex.org/W2030195698', 'https://openalex.org/W2032617616', 'https://openalex.org/W2042456631', 'https://openalex.org/W2052771311', 'https://openalex.org/W2092361675', 'https://openalex.org/W2097022747', 'https://openalex.org/W2098433970', 'https://openalex.org/W2101398993', 'https://openalex.org/W2102057728', 'https://openalex.org/W2102902846', 'https://openalex.org/W2106569666', 'https://openalex.org/W2107089530', 'https://openalex.org/W2108437392', 'https://openalex.org/W2111251640', 'https://openalex.org/W2118558111', 'https://openalex.org/W2121512348', 'https://openalex.org/W2122610724', 'https://openalex.org/W2127400865', 'https://openalex.org/W2127424726', 'https://openalex.org/W2132273917', 'https://openalex.org/W2137687978', 'https://openalex.org/W2144852094', 'https://openalex.org/W2145617865', 'https://openalex.org/W2147576297', 'https://openalex.org/W2149183722', 'https://openalex.org/W2151857895', 'https://openalex.org/W2151984296', 'https://openalex.org/W2160921359', 'https://openalex.org/W2167903547', 'https://openalex.org/W2293031531', 'https://openalex.org/W2317725460', 'https://openalex.org/W2592857683', 'https://openalex.org/W2612450492', 'https://openalex.org/W2748082146', 'https://openalex.org/W4211203840', 'https://openalex.org/W620313641'], 'related_works': ['https://openalex.org/W4379526598', 'https://openalex.org/W4200607786', 'https://openalex.org/W3149563891', 'https://openalex.org/W3134134177', 'https://openalex.org/W3004206652', 'https://openalex.org/W2743174210', 'https://openalex.org/W2186303850', 'https://openalex.org/W2037309944', 'https://openalex.org/W2016370421', 'https://openalex.org/W1987413475'], 'abstract_inverted_index': {'Abstract': [0], 'Sarcopenia': [1], 'has': [2, 29], 'been': [3, 31], 'associated': [4, 106], 'with': [5, 62, 90, 95, 107, 177, 196], 'several': [6], 'conditions': [7], 'relevant': [8], 'to': [9, 54], 'obstructive': [10], 'sleep': [11], 'apnea': [12], '(OSA),': [13], 'such': [14], 'as': [15], 'aging': [16], 'and': [17, 25, 44, 77, 93, 100, 147, 187, 202], 'obesity,': [18], 'but': [19], 'a': [20], 'direct': [21], 'relationship': [22], 'between': [23, 37, 200], 'OSA': [24, 45, 175], 'skeletal': [26, 41, 58, 66, 78, 180, 188, 203], 'muscle': [27, 42, 67, 79, 181, 185, 189], 'alterations': [28], 'not': [30, 150], 'identified.': [32], 'This': [33], 'study': [34], 'investigated': [35], 'associations': [36, 192, 199], 'computed': [38], 'tomography': [39], '(CT)-measured': [40], 'indices': [43], 'severity.': [46], 'Analyzed': [47], 'were': [48, 60, 193], '334': [49], 'patients': [50], 'who': [51], 'underwent': [52], 'polysomnography': [53], 'diagnose': [55], 'OSA.': [56], 'Lumbar': [57], 'muscles': [59], 'assessed': [61], 'CT': [63], 'for': [64, 74, 120, 154], 'the': [65, 91, 121, 197], 'mass': [68, 123, 182], 'index': [69, 86, 124], '(SMI,': [70], 'cross-sectional': [71], 'area,': [72], 'normalized': [73], 'height': [75], 'squared)': [76], 'density': [80], '(SMD,': [81], 'fat': [82], 'infiltration).': [83], 'The': [84, 102, 143], 'apnea-hypopnea': [85], '(AHI)': [87], 'correlated': [88, 176], 'positively': [89], 'SMI': [92, 108], 'negatively': [94], 'SMD': [96, 148], 'in': [97, 110, 133, 141, 163, 171, 179], 'both': [98], 'men': [99, 111], 'women.': [101], 'AHI': [103, 146], 'was': [104, 149], 'weakly': [105], 'only': [109], '(β': [112], '=': [113, 116, 128, 136, 158, 166], '0.11,': [114], 'P': [115, 130, 138, 160, 168], '0.017)': [117], 'after': [118, 152], 'adjustment': [119, 153], 'body': [122], '(BMI)': [125], '(BMI:': [126, 156], 'β': [127, 135, 157, 165], '0.61,': [129], '<': [131, 139, 161, 169], '0.001': [132, 140, 162, 170], 'men,': [134, 164], '0.65,': [137], 'women).': [142, 172], 'association': [144], 'of': [145, 174], 'significant': [151], 'BMI': [155], '−0.42,': [159], '−0.64,': [167], 'Severity': [173], 'increases': [178], 'rather': [183], 'than': [184], 'depletion': [186], 'adiposity.': [190], 'These': [191], 'limited': [194], 'compared': [195], 'stronger': [198], 'obesity': [201], 'muscles.': [204]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2801170949', 'counts_by_year': [{'year': 2024, 'cited_by_count': 4}, {'year': 2023, 'cited_by_count': 4}, {'year': 2021, 'cited_by_count': 3}, {'year': 2020, 'cited_by_count': 8}, {'year': 2019, 'cited_by_count': 1}], 'updated_date': '2024-12-18T14:51:35.195989', 'created_date': '2018-05-17'}