Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2024070665', 'doi': 'https://doi.org/10.1177/1479972307082329', 'title': 'Quality of life in patients with chronic obstructive pulmonary disease: the predictive validity of the BODE index', 'display_name': 'Quality of life in patients with chronic obstructive pulmonary disease: the predictive validity of the BODE index', 'publication_year': 2008, 'publication_date': '2008-02-01', 'ids': {'openalex': 'https://openalex.org/W2024070665', 'doi': 'https://doi.org/10.1177/1479972307082329', 'mag': '2024070665', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/18303096'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1177/1479972307082329', 'pdf_url': 'https://journals.sagepub.com/doi/pdf/10.1177/1479972307082329', 'source': {'id': 'https://openalex.org/S39999584', 'display_name': 'Chronic Respiratory Disease', 'issn_l': '1479-9723', 'issn': ['1479-9723', '1479-9731'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320017', 'host_organization_name': 'SAGE Publishing', 'host_organization_lineage': ['https://openalex.org/P4310320017'], 'host_organization_lineage_names': ['SAGE Publishing'], 'type': 'journal'}, 'license': None, 'license_id': None, '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': 'bronze', 'oa_url': 'https://journals.sagepub.com/doi/pdf/10.1177/1479972307082329', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5055188947', 'display_name': 'Magdalena Medinas-Amorós', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1286438233', 'display_name': 'Fundación Juan March', 'ror': 'https://ror.org/02djn2x77', 'country_code': 'ES', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I1286438233']}], 'countries': ['ES'], 'is_corresponding': False, 'raw_author_name': 'M. Medinas-Amorós', 'raw_affiliation_strings': ['Department of Psychology, Joan March Hospital, Bunyola, Baleares, Spain,'], 'affiliations': [{'raw_affiliation_string': 'Department of Psychology, Joan March Hospital, Bunyola, Baleares, Spain,', 'institution_ids': ['https://openalex.org/I1286438233']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5026447441', 'display_name': 'Catalina Alorda', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1286438233', 'display_name': 'Fundación Juan March', 'ror': 'https://ror.org/02djn2x77', 'country_code': 'ES', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I1286438233']}], 'countries': ['ES'], 'is_corresponding': False, 'raw_author_name': 'C. Alorda', 'raw_affiliation_strings': ['Department of Psychology, Joan March Hospital, Bunyola, Baleares, Spain'], 'affiliations': [{'raw_affiliation_string': 'Department of Psychology, Joan March Hospital, Bunyola, Baleares, Spain', 'institution_ids': ['https://openalex.org/I1286438233']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5004424218', 'display_name': 'Feliu Renom', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1286438233', 'display_name': 'Fundación Juan March', 'ror': 'https://ror.org/02djn2x77', 'country_code': 'ES', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I1286438233']}], 'countries': ['ES'], 'is_corresponding': False, 'raw_author_name': 'F. Renom', 'raw_affiliation_strings': ['Department of Respiratory Medicine, Joan March Hospital, Bunyola, Baleares, Spain'], 'affiliations': [{'raw_affiliation_string': 'Department of Respiratory Medicine, Joan March Hospital, Bunyola, Baleares, Spain', 'institution_ids': ['https://openalex.org/I1286438233']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5003977785', 'display_name': 'Mateu Rubí', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1286438233', 'display_name': 'Fundación Juan March', 'ror': 'https://ror.org/02djn2x77', 'country_code': 'ES', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I1286438233']}], 'countries': ['ES'], 'is_corresponding': False, 'raw_author_name': 'M. Rubí', 'raw_affiliation_strings': ['Department of Respiratory Medicine, Joan March Hospital, Bunyola, Baleares, Spain'], 'affiliations': [{'raw_affiliation_string': 'Department of Respiratory Medicine, Joan March Hospital, Bunyola, Baleares, Spain', 'institution_ids': ['https://openalex.org/I1286438233']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5006080759', 'display_name': 'Juan Pablo Centeno', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1286438233', 'display_name': 'Fundación Juan March', 'ror': 'https://ror.org/02djn2x77', 'country_code': 'ES', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I1286438233']}], 'countries': ['ES'], 'is_corresponding': False, 'raw_author_name': 'J. Centeno', 'raw_affiliation_strings': ['Department of Respiratory Medicine, Joan March Hospital, Bunyola, Baleares, Spain'], 'affiliations': [{'raw_affiliation_string': 'Department of Respiratory Medicine, Joan March Hospital, Bunyola, Baleares, Spain', 'institution_ids': ['https://openalex.org/I1286438233']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5048587007', 'display_name': 'Victòria Aurora Ferrer Pérez', 'orcid': 'https://orcid.org/0000-0002-8096-4031'}, 'institutions': [{'id': 'https://openalex.org/I50441567', 'display_name': 'Universitat de les Illes Balears', 'ror': 'https://ror.org/03e10x626', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I50441567']}], 'countries': ['ES'], 'is_corresponding': False, 'raw_author_name': 'V. Ferrer', 'raw_affiliation_strings': ['Department of Psychology, University of Balearic Islands, Baleares, Spain'], 'affiliations': [{'raw_affiliation_string': 'Department of Psychology, University of Balearic Islands, Baleares, Spain', 'institution_ids': ['https://openalex.org/I50441567']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5071477790', 'display_name': 'T. Gorriz', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1286438233', 'display_name': 'Fundación Juan March', 'ror': 'https://ror.org/02djn2x77', 'country_code': 'ES', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I1286438233']}], 'countries': ['ES'], 'is_corresponding': False, 'raw_author_name': 'T. Gorriz', 'raw_affiliation_strings': ['Department of Respiratory Medicine, Joan March Hospital, Bunyola, Baleares, Spain'], 'affiliations': [{'raw_affiliation_string': 'Department of Respiratory Medicine, Joan March Hospital, Bunyola, Baleares, Spain', 'institution_ids': ['https://openalex.org/I1286438233']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5006200629', 'display_name': 'C. Mas-Tous', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I50441567', 'display_name': 'Universitat de les Illes Balears', 'ror': 'https://ror.org/03e10x626', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I50441567']}], 'countries': ['ES'], 'is_corresponding': False, 'raw_author_name': 'C. Mas-Tous', 'raw_affiliation_strings': ['Department of Psychology, University of Balearic Islands, Baleares, Spain'], 'affiliations': [{'raw_affiliation_string': 'Department of Psychology, University of Balearic Islands, Baleares, Spain', 'institution_ids': ['https://openalex.org/I50441567']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5059370593', 'display_name': 'Ferran Ramis', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1286438233', 'display_name': 'Fundación Juan March', 'ror': 'https://ror.org/02djn2x77', 'country_code': 'ES', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I1286438233']}], 'countries': ['ES'], 'is_corresponding': False, 'raw_author_name': 'F. Ramis', 'raw_affiliation_strings': ['Department of Respiratory Medicine, Joan March Hospital, Bunyola, Baleares, Spain'], 'affiliations': [{'raw_affiliation_string': 'Department of Respiratory Medicine, Joan March Hospital, Bunyola, Baleares, Spain', 'institution_ids': ['https://openalex.org/I1286438233']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 2000, 'currency': 'USD', 'value_usd': 2000, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 4.248, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 40, 'citation_normalized_percentile': {'value': 0.889166, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 92, 'max': 93}, 'biblio': {'volume': '5', 'issue': '1', 'first_page': '7', 'last_page': '11'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10143', 'display_name': 'Chronic Obstructive Pulmonary Disease (COPD) Research', 'score': 1.0, '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'}}, 'topics': [{'id': 'https://openalex.org/T10143', 'display_name': 'Chronic Obstructive Pulmonary Disease (COPD) Research', 'score': 1.0, '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'}}, {'id': 'https://openalex.org/T10322', 'display_name': 'Respiratory Support and Mechanisms', 'score': 0.9789, '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'}}, {'id': 'https://openalex.org/T12443', 'display_name': 'Delphi Technique in Research', 'score': 0.9786, 'subfield': {'id': 'https://openalex.org/subfields/3312', 'display_name': 'Sociology and Political Science'}, 'field': {'id': 'https://openalex.org/fields/33', 'display_name': 'Social Sciences'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/bode-index', 'display_name': 'BODE index', 'score': 0.989771}], 'concepts': [{'id': 'https://openalex.org/C2777168814', 'wikidata': 'https://www.wikidata.org/wiki/Q16246543', 'display_name': 'BODE index', 'level': 4, 'score': 0.989771}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.89596653}, {'id': 'https://openalex.org/C2776780178', 'wikidata': 'https://www.wikidata.org/wiki/Q199804', 'display_name': 'COPD', 'level': 2, 'score': 0.7744503}, {'id': 'https://openalex.org/C2779951463', 'wikidata': 'https://www.wikidata.org/wiki/Q7268788', 'display_name': 'Quality of life (healthcare)', 'level': 2, 'score': 0.62869906}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.6034123}, {'id': 'https://openalex.org/C2992779976', 'wikidata': 'https://www.wikidata.org/wiki/Q3286546', 'display_name': 'Pulmonary disease', 'level': 2, 'score': 0.56933177}, {'id': 'https://openalex.org/C2780221984', 'wikidata': 'https://www.wikidata.org/wiki/Q131191', 'display_name': 'Body mass index', 'level': 2, 'score': 0.556767}, {'id': 'https://openalex.org/C1862650', 'wikidata': 'https://www.wikidata.org/wiki/Q186005', 'display_name': 'Physical therapy', 'level': 1, 'score': 0.489024}, {'id': 'https://openalex.org/C2780779891', 'wikidata': 'https://www.wikidata.org/wiki/Q3455927', 'display_name': 'Pulmonary rehabilitation', 'level': 3, 'score': 0.14516327}, {'id': 'https://openalex.org/C159110408', 'wikidata': 'https://www.wikidata.org/wiki/Q121176', 'display_name': 'Nursing', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D006305', 'descriptor_name': 'Health Status Indicators', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D029424', 'descriptor_name': 'Pulmonary Disease, Chronic Obstructive', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D011788', 'descriptor_name': 'Quality of Life', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D000368', 'descriptor_name': 'Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000369', 'descriptor_name': 'Aged, 80 and over', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005080', 'descriptor_name': 'Exercise Test', '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': 'D011379', 'descriptor_name': 'Prognosis', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D029424', 'descriptor_name': 'Pulmonary Disease, Chronic Obstructive', 'qualifier_ui': 'Q000534', 'qualifier_name': 'rehabilitation', 'is_major_topic': False}, {'descriptor_ui': 'D012044', 'descriptor_name': 'Regression Analysis', '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}, {'descriptor_ui': 'D011795', 'descriptor_name': 'Surveys and Questionnaires', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1177/1479972307082329', 'pdf_url': 'https://journals.sagepub.com/doi/pdf/10.1177/1479972307082329', 'source': {'id': 'https://openalex.org/S39999584', 'display_name': 'Chronic Respiratory Disease', 'issn_l': '1479-9723', 'issn': ['1479-9723', '1479-9731'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320017', 'host_organization_name': 'SAGE Publishing', 'host_organization_lineage': ['https://openalex.org/P4310320017'], 'host_organization_lineage_names': ['SAGE Publishing'], '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/18303096', '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/10.1177/1479972307082329', 'pdf_url': 'https://journals.sagepub.com/doi/pdf/10.1177/1479972307082329', 'source': {'id': 'https://openalex.org/S39999584', 'display_name': 'Chronic Respiratory Disease', 'issn_l': '1479-9723', 'issn': ['1479-9723', '1479-9731'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320017', 'host_organization_name': 'SAGE Publishing', 'host_organization_lineage': ['https://openalex.org/P4310320017'], 'host_organization_lineage_names': ['SAGE Publishing'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'display_name': 'Good health and well-being', 'id': 'https://metadata.un.org/sdg/3', 'score': 0.72}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 23, 'referenced_works': ['https://openalex.org/W1969665190', 'https://openalex.org/W1980083069', 'https://openalex.org/W2000445173', 'https://openalex.org/W2002057781', 'https://openalex.org/W2015152139', 'https://openalex.org/W2030845834', 'https://openalex.org/W2052977441', 'https://openalex.org/W2061168784', 'https://openalex.org/W2104912451', 'https://openalex.org/W2106849613', 'https://openalex.org/W2109202267', 'https://openalex.org/W2110993670', 'https://openalex.org/W2114847734', 'https://openalex.org/W2123084333', 'https://openalex.org/W2128252542', 'https://openalex.org/W2137731450', 'https://openalex.org/W2138312725', 'https://openalex.org/W2139347600', 'https://openalex.org/W2166432084', 'https://openalex.org/W2168677158', 'https://openalex.org/W3041235332', 'https://openalex.org/W4245666729', 'https://openalex.org/W4255613360'], 'related_works': ['https://openalex.org/W4226443180', 'https://openalex.org/W349070009', 'https://openalex.org/W3001106132', 'https://openalex.org/W2923872113', 'https://openalex.org/W2585009645', 'https://openalex.org/W2391752226', 'https://openalex.org/W2372297656', 'https://openalex.org/W2364717413', 'https://openalex.org/W2335327079', 'https://openalex.org/W2321909504'], 'abstract_inverted_index': {'Chronic': [0], 'obstructive': [1], 'pulmonary': [2], 'disease': [3], '(COPD)': [4], 'is': [5, 165, 197], 'currently': [6], 'the': [7, 15, 37, 52, 57, 61, 74, 102, 106, 110, 121, 128, 132, 145, 152, 162, 174, 178, 186, 190, 201], 'fourth': [8], 'cause': [9], 'of': [10, 25, 28, 34, 64, 88, 109, 134, 139, 151, 169, 173, 177, 185, 189, 203], 'mortality': [11], 'and': [12, 56, 60, 79, 105, 115, 131, 137, 144, 148, 183], 'morbility': [13], 'in': [14, 85, 205], 'developed': [16], 'world.': [17], 'Patients': [18], 'with': [19, 91, 207], 'COPD': [20], 'experience': [21], 'a': [22, 86, 98, 124, 166], 'progressive': [23], 'deterioration': [24], 'health-related': [26], 'quality': [27], 'life': [29], '(HRQOL).': [30], 'A': [31], 'new': [32], 'model': [33], 'severity': [35], 'classification,': [36], 'body': [38], 'mass': [39], 'index,': [40, 46, 59], 'bronchial': [41], 'obstruction,': [42], 'dyspnoea,': [43], 'exercise': [44], '(BODE)': [45], 'has': [47], 'recently': [48], 'been': [49], 'proposed.To': [50], 'evaluate': [51], 'relationship': [53], 'between': [54, 101, 127], 'HRQOL': [55, 67, 69, 117, 204], 'BODE': [58, 65, 103, 129, 163, 195], 'predictive': [62], 'ability': [63], 'on': [66], 'measurements.Two': [68], 'questionnaires': [70], 'were': [71], 'administered,': [72], 'namely': [73], 'Nottingham': [75], 'Health': [76], 'Profile': [77], '(NHP)': [78], 'St': [80], "George's": [81], 'Respiratory': [82], 'Questionnaire': [83], '(SGRQ),': [84], 'sample': [87], '67': [89], 'patients': [90, 206], 'severe': [92, 208], 'COPD.Pearsonś': [93], 'correlation': [94, 100, 126], 'coefficient': [95], 'analysis': [96, 122, 159], 'shows': [97, 123, 160], 'positive': [99], 'index': [104, 130, 164, 196], 'total': [107, 175, 187], 'scores': [108], 'specific': [111], '(P': [112, 118, 141, 154, 180, 192], '<': [113, 119, 142, 155, 181, 193], '0.001),': [114], 'general': [116], '0.001);': [120], 'significant': [125, 167], 'subscales': [133, 146], 'symptoms,': [135], 'activity': [136], 'impact': [138], 'SGRQ': [140, 179], '0.001)': [143, 182], 'energy': [147], 'physical': [149], 'mobility': [150], 'NHP': [153, 191], '0.001).': [156], 'The': [157], 'regression': [158], 'that': [161], 'predictor': [168], 'HRQOL,': [170], 'explaining': [171], '46,1%': [172], 'score': [176, 188], '14.8%': [184], '0.001).The': [194], 'good': [198], 'at': [199], 'predicting': [200], 'worsening': [202], 'COPD.': [209]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2024070665', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2023, 'cited_by_count': 2}, {'year': 2022, 'cited_by_count': 3}, {'year': 2021, 'cited_by_count': 2}, {'year': 2019, 'cited_by_count': 1}, {'year': 2018, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 2}, {'year': 2015, 'cited_by_count': 4}, {'year': 2014, 'cited_by_count': 5}, {'year': 2012, 'cited_by_count': 3}], 'updated_date': '2024-12-13T12:35:47.369286', 'created_date': '2016-06-24'}