Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2623514881', 'doi': 'https://doi.org/10.7150/jca.18600', 'title': 'Short Survival Time after Palliative whole Brain Radiotherapy: Can We Predict Potential Overtreatment by Use of a Nomogram?', 'display_name': 'Short Survival Time after Palliative whole Brain Radiotherapy: Can We Predict Potential Overtreatment by Use of a Nomogram?', 'publication_year': 2017, 'publication_date': '2017-01-01', 'ids': {'openalex': 'https://openalex.org/W2623514881', 'doi': 'https://doi.org/10.7150/jca.18600', 'mag': '2623514881', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/28775771', 'pmcid': 'https://www.ncbi.nlm.nih.gov/pmc/articles/5535707'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.7150/jca.18600', 'pdf_url': 'https://www.jcancer.org/v08p1525.pdf', 'source': {'id': 'https://openalex.org/S200072998', 'display_name': 'Journal of Cancer', 'issn_l': '1837-9664', 'issn': ['1837-9664'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310317973', 'host_organization_name': 'Ivyspring International Publisher', 'host_organization_lineage': ['https://openalex.org/P4310317973'], 'host_organization_lineage_names': ['Ivyspring International Publisher'], 'type': 'journal'}, 'license': 'cc-by-nc', 'license_id': 'https://openalex.org/licenses/cc-by-nc', '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.jcancer.org/v08p1525.pdf', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5044089012', 'display_name': 'Carsten Nieder', 'orcid': 'https://orcid.org/0000-0003-1592-2908'}, 'institutions': [{'id': 'https://openalex.org/I2801800136', 'display_name': 'Nordland Hospital Trust', 'ror': 'https://ror.org/04wjd1a07', 'country_code': 'NO', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2801800136', 'https://openalex.org/I63903255']}, {'id': 'https://openalex.org/I78037679', 'display_name': 'UiT The Arctic University of Norway', 'ror': 'https://ror.org/00wge5k78', 'country_code': 'NO', 'type': 'education', 'lineage': ['https://openalex.org/I78037679']}], 'countries': ['NO'], 'is_corresponding': True, 'raw_author_name': 'Carsten Nieder', 'raw_affiliation_strings': ['. Department of Clinical Medicine, Faculty of Health Sciences, University of Tromsø, 9037 Tromsø, Norway;', '. Department of Oncology and Palliative Medicine, Nordland Hospital, 8092 Bodø, Norway;'], 'affiliations': [{'raw_affiliation_string': '. Department of Oncology and Palliative Medicine, Nordland Hospital, 8092 Bodø, Norway;', 'institution_ids': ['https://openalex.org/I2801800136']}, {'raw_affiliation_string': '. Department of Clinical Medicine, Faculty of Health Sciences, University of Tromsø, 9037 Tromsø, Norway;', 'institution_ids': ['https://openalex.org/I78037679']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5025585146', 'display_name': 'Jan Norum', 'orcid': 'https://orcid.org/0000-0001-9341-3506'}, 'institutions': [{'id': 'https://openalex.org/I78037679', 'display_name': 'UiT The Arctic University of Norway', 'ror': 'https://ror.org/00wge5k78', 'country_code': 'NO', 'type': 'education', 'lineage': ['https://openalex.org/I78037679']}, {'id': 'https://openalex.org/I63903255', 'display_name': 'Northern Norway Regional Health Authority', 'ror': 'https://ror.org/05f6c0c45', 'country_code': 'NO', 'type': 'government', 'lineage': ['https://openalex.org/I63903255']}], 'countries': ['NO'], 'is_corresponding': False, 'raw_author_name': 'Jan Norum', 'raw_affiliation_strings': ['. Department of Clinical Medicine, Faculty of Health Sciences, University of Tromsø, 9037 Tromsø, Norway;', '. Northern Norway Regional Health Authority trust, 8038 Bodø, Norway;'], 'affiliations': [{'raw_affiliation_string': '. Department of Clinical Medicine, Faculty of Health Sciences, University of Tromsø, 9037 Tromsø, Norway;', 'institution_ids': ['https://openalex.org/I78037679']}, {'raw_affiliation_string': '. Northern Norway Regional Health Authority trust, 8038 Bodø, Norway;', 'institution_ids': ['https://openalex.org/I63903255']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5023619592', 'display_name': 'Mandy Hintz', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I2801240073', 'display_name': 'University Medical Center Freiburg', 'ror': 'https://ror.org/03vzbgh69', 'country_code': 'DE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2801240073']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Mandy Hintz', 'raw_affiliation_strings': ['. Department of Radiation Oncology, University Hospital Freiburg, 79106 Freiburg, Germany;'], 'affiliations': [{'raw_affiliation_string': '. Department of Radiation Oncology, University Hospital Freiburg, 79106 Freiburg, Germany;', 'institution_ids': ['https://openalex.org/I2801240073']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5043313789', 'display_name': 'Anca‐Ligia Grosu', 'orcid': 'https://orcid.org/0000-0003-2255-2255'}, 'institutions': [{'id': 'https://openalex.org/I17937529', 'display_name': 'German Cancer Research Center', 'ror': 'https://ror.org/04cdgtt98', 'country_code': 'DE', 'type': 'facility', 'lineage': ['https://openalex.org/I1305996414', 'https://openalex.org/I17937529']}, {'id': 'https://openalex.org/I223822909', 'display_name': 'Heidelberg University', 'ror': 'https://ror.org/038t36y30', 'country_code': 'DE', 'type': 'education', 'lineage': ['https://openalex.org/I223822909']}, {'id': 'https://openalex.org/I2801240073', 'display_name': 'University Medical Center Freiburg', 'ror': 'https://ror.org/03vzbgh69', 'country_code': 'DE', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2801240073']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Anca L. Grosu', 'raw_affiliation_strings': ['. Department of Radiation Oncology, University Hospital Freiburg, 79106 Freiburg, Germany;', '. German Cancer Consortium (DKTK), Freiburg, and German Cancer Research Centre (DKFZ), D-69121 Heidelberg, Germany.'], 'affiliations': [{'raw_affiliation_string': '. German Cancer Consortium (DKTK), Freiburg, and German Cancer Research Centre (DKFZ), D-69121 Heidelberg, Germany.', 'institution_ids': ['https://openalex.org/I17937529', 'https://openalex.org/I223822909']}, {'raw_affiliation_string': '. Department of Radiation Oncology, University Hospital Freiburg, 79106 Freiburg, Germany;', 'institution_ids': ['https://openalex.org/I2801240073']}]}], 'institution_assertions': [], 'countries_distinct_count': 2, 'institutions_distinct_count': 6, 'corresponding_author_ids': ['https://openalex.org/A5044089012'], 'corresponding_institution_ids': ['https://openalex.org/I2801800136', 'https://openalex.org/I78037679'], 'apc_list': {'value': 2000, 'currency': 'AUD', 'value_usd': 1337, 'provenance': 'doaj'}, 'apc_paid': {'value': 2000, 'currency': 'AUD', 'value_usd': 1337, 'provenance': 'doaj'}, 'fwci': 2.144, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 14, 'citation_normalized_percentile': {'value': 0.841005, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 88, 'max': 89}, 'biblio': {'volume': '8', 'issue': '9', 'first_page': '1525', 'last_page': '1529'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11600', 'display_name': 'Brain Metastases and Treatment', '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/T11600', 'display_name': 'Brain Metastases and Treatment', '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/T10129', 'display_name': 'Glioma Diagnosis and Treatment', 'score': 0.9988, 'subfield': {'id': 'https://openalex.org/subfields/2716', 'display_name': 'Genetics'}, '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/T12108', 'display_name': 'Management of metastatic bone disease', 'score': 0.998, 'subfield': {'id': 'https://openalex.org/subfields/2746', 'display_name': 'Surgery'}, '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/nomogram', 'display_name': 'Nomogram', 'score': 0.98290205}, {'id': 'https://openalex.org/keywords/clinical-endpoint', 'display_name': 'Clinical endpoint', 'score': 0.4249034}], 'concepts': [{'id': 'https://openalex.org/C34626388', 'wikidata': 'https://www.wikidata.org/wiki/Q721129', 'display_name': 'Nomogram', 'level': 2, 'score': 0.98290205}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.8735194}, {'id': 'https://openalex.org/C3019894029', 'wikidata': 'https://www.wikidata.org/wiki/Q332823', 'display_name': 'Overall survival', 'level': 2, 'score': 0.58616155}, {'id': 'https://openalex.org/C509974204', 'wikidata': 'https://www.wikidata.org/wiki/Q180507', 'display_name': 'Radiation therapy', 'level': 2, 'score': 0.5147557}, {'id': 'https://openalex.org/C167135981', 'wikidata': 'https://www.wikidata.org/wiki/Q2146302', 'display_name': 'Retrospective cohort study', 'level': 2, 'score': 0.4948005}, {'id': 'https://openalex.org/C10515644', 'wikidata': 'https://www.wikidata.org/wiki/Q543310', 'display_name': 'Survival analysis', 'level': 2, 'score': 0.465196}, {'id': 'https://openalex.org/C2987804222', 'wikidata': 'https://www.wikidata.org/wiki/Q5376582', 'display_name': 'End point', 'level': 2, 'score': 0.45163307}, {'id': 'https://openalex.org/C2779951463', 'wikidata': 'https://www.wikidata.org/wiki/Q7268788', 'display_name': 'Quality of life (healthcare)', 'level': 2, 'score': 0.44030192}, {'id': 'https://openalex.org/C2994186709', 'wikidata': 'https://www.wikidata.org/wiki/Q29483', 'display_name': 'Palliative care', 'level': 2, 'score': 0.4392345}, {'id': 'https://openalex.org/C203092338', 'wikidata': 'https://www.wikidata.org/wiki/Q1340863', 'display_name': 'Clinical endpoint', 'level': 3, 'score': 0.4249034}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.40422952}, {'id': 'https://openalex.org/C143998085', 'wikidata': 'https://www.wikidata.org/wiki/Q162555', 'display_name': 'Oncology', 'level': 1, 'score': 0.38502234}, {'id': 'https://openalex.org/C141071460', 'wikidata': 'https://www.wikidata.org/wiki/Q40821', 'display_name': 'Surgery', 'level': 1, 'score': 0.3652873}, {'id': 'https://openalex.org/C535046627', 'wikidata': 'https://www.wikidata.org/wiki/Q30612', 'display_name': 'Clinical trial', 'level': 2, 'score': 0.13198745}, {'id': 'https://openalex.org/C2524010', 'wikidata': 'https://www.wikidata.org/wiki/Q8087', 'display_name': 'Geometry', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C159110408', 'wikidata': 'https://www.wikidata.org/wiki/Q121176', 'display_name': 'Nursing', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.0}], 'mesh': [], 'locations_count': 5, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.7150/jca.18600', 'pdf_url': 'https://www.jcancer.org/v08p1525.pdf', 'source': {'id': 'https://openalex.org/S200072998', 'display_name': 'Journal of Cancer', 'issn_l': '1837-9664', 'issn': ['1837-9664'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310317973', 'host_organization_name': 'Ivyspring International Publisher', 'host_organization_lineage': ['https://openalex.org/P4310317973'], 'host_organization_lineage_names': ['Ivyspring International Publisher'], 'type': 'journal'}, 'license': 'cc-by-nc', 'license_id': 'https://openalex.org/licenses/cc-by-nc', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://europepmc.org/articles/pmc5535707', 'pdf_url': 'https://europepmc.org/articles/pmc5535707?pdf=render', 'source': {'id': 'https://openalex.org/S4306400806', 'display_name': 'Europe PMC (PubMed Central)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1303153112', 'host_organization_name': 'European Bioinformatics Institute', 'host_organization_lineage': ['https://openalex.org/I1303153112'], 'host_organization_lineage_names': ['European Bioinformatics Institute'], 'type': 'repository'}, 'license': 'cc-by-nc', 'license_id': 'https://openalex.org/licenses/cc-by-nc', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://hdl.handle.net/10037/12557', 'pdf_url': 'https://munin.uit.no/bitstream/10037/12557/3/article.pdf', 'source': {'id': 'https://openalex.org/S4306401716', 'display_name': 'Duo Research Archive (University of Oslo)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I184942183', 'host_organization_name': 'University of Oslo', 'host_organization_lineage': ['https://openalex.org/I184942183'], 'host_organization_lineage_names': ['University of Oslo'], 'type': 'repository'}, 'license': 'other-oa', 'license_id': 'https://openalex.org/licenses/other-oa', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5535707', '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/28775771', '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/10.7150/jca.18600', 'pdf_url': 'https://www.jcancer.org/v08p1525.pdf', 'source': {'id': 'https://openalex.org/S200072998', 'display_name': 'Journal of Cancer', 'issn_l': '1837-9664', 'issn': ['1837-9664'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310317973', 'host_organization_name': 'Ivyspring International Publisher', 'host_organization_lineage': ['https://openalex.org/P4310317973'], 'host_organization_lineage_names': ['Ivyspring International Publisher'], 'type': 'journal'}, 'license': 'cc-by-nc', 'license_id': 'https://openalex.org/licenses/cc-by-nc', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/1', 'score': 0.78, 'display_name': 'No poverty'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 20, 'referenced_works': ['https://openalex.org/W1505895029', 'https://openalex.org/W1969979201', 'https://openalex.org/W2011144532', 'https://openalex.org/W2043525583', 'https://openalex.org/W2077740893', 'https://openalex.org/W2101917405', 'https://openalex.org/W2106059936', 'https://openalex.org/W2108938302', 'https://openalex.org/W2114890180', 'https://openalex.org/W2119215169', 'https://openalex.org/W2123101598', 'https://openalex.org/W2128625986', 'https://openalex.org/W2138423103', 'https://openalex.org/W2141307029', 'https://openalex.org/W2145725329', 'https://openalex.org/W2149879397', 'https://openalex.org/W2194457463', 'https://openalex.org/W2286837992', 'https://openalex.org/W2434165741', 'https://openalex.org/W2461143410'], 'related_works': ['https://openalex.org/W837686567', 'https://openalex.org/W4285492859', 'https://openalex.org/W4280628647', 'https://openalex.org/W3217527623', 'https://openalex.org/W3135804592', 'https://openalex.org/W3029384669', 'https://openalex.org/W2623514881', 'https://openalex.org/W2068236691', 'https://openalex.org/W2032315735', 'https://openalex.org/W1779561124'], 'abstract_inverted_index': {'Background:': [0], 'Many': [1], 'patients': [2, 54, 64, 107, 116, 150, 176, 225], 'with': [3, 56, 66, 95, 117, 133, 177], 'brain': [4, 8], 'metastases': [5], 'undergoing': [6], 'whole': [7], 'radiotherapy': [9], '(WBRT)': [10], 'have': [11], 'very': [12], 'limited': [13], 'survival.The': [14], 'purpose': [15], 'of': [16, 63, 115, 124, 142, 174, 181, 216, 235], 'this': [17], 'study': [18, 50], 'was': [19, 71, 78, 85], 'to': [20, 31, 35, 104, 200, 209, 226], 'validate': [21], 'a': [22, 26, 93, 137, 171, 218], 'nomogram': [23, 82, 191], 'derived': [24], 'from': [25], 'large': [27, 197], 'American': [28], 'database': [29], 'and': [30, 46, 139, 144, 157, 187, 206], 'examine': [32], 'its': [33], 'ability': [34, 103, 199], 'better': [36], 'predict': [37, 201], 'short': [38], 'survival': [39, 75, 91, 113, 141, 164, 203, 232], '(cut-off': [40], '2': [41, 162], 'months)': [42], 'than': [43, 156, 161], 'previous': [44], 'models.Material': [45], 'Methods:': [47], 'This': [48], 'retrospective': [49], 'included': [51], '254': [52], 'European': [53], 'treated': [55], 'primary': [57], 'WBRT.In': [58], 'addition,': [59], 'an': [60], 'exploratory': [61], 'analysis': [62], 'managed': [65], 'best': [67], 'supportive': [68], 'care': [69], '(BSC)': [70], 'performed': [72], 'too.Results:': [73], 'Median': [74], 'after': [76, 168], 'WBRT': [77, 229], '3.0': [79], 'months.The': [80], 'median': [81, 90, 138], 'point': [83, 119], 'sum': [84, 120], '122': [86, 96], '(range': [87], '31-212).The': [88], 'nomogram-predicted': [89], 'for': [92, 154, 159], 'patient': [94], 'points': [97, 126, 135], 'is': [98, 204], '3.3': [99], 'months.Despite': [100], 'the': [101, 106, 112, 122, 185, 190], "nomogram's": [102], 'stratify': [105], 'into': [108], 'different': [109], 'prognostic': [110, 131], 'groups,': [111], 'curves': [114], 'intermediate': [118], 'in': [121, 170, 195], 'range': [123], '90-139': [125], 'were': [127, 166], 'largely': [128], 'superimposable.The': [129], 'poorest': [130], 'group': [132, 173], '≥180': [134, 178], 'had': [136], 'maximum': [140], '1.8': [143], '4.6': [145], 'months,': [146], 'respectively.Among': [147], 'these': [148], '18': [149], '(7%)': [151], '9': [152, 158], 'survived': [153], 'less': [155], 'more': [160], 'months.Comparable': [163], 'outcomes': [165], 'observed': [167], 'BSC': [169], 'smaller': [172], '8': [175], 'points.Conclusions:': [179], 'Because': [180], 'several': [182], 'differences': [183], 'between': [184], 'original': [186], 'validation': [188], 'findings,': [189], 'should': [192], 'be': [193], 'examined': [194], 'additional': [196], 'databases.Its': [198], 'poor': [202, 223], 'promising': [205], 'possibly': [207], 'comparable': [208], 'our': [210], 'previously': [211], 'published': [212], 'models.The': [213], 'final': [214], 'goal': [215], 'developing': [217], 'validated': [219], 'model': [220], 'that': [221], 'allows': [222], 'prognosis': [224], 'safely': [227], 'forego': [228], 'without': [230], 'compromising': [231], 'or': [233], 'quality': [234], 'life': [236], 'requires': [237], 'further': [238], 'research': [239], 'efforts.': [240]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2623514881', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2021, 'cited_by_count': 3}, {'year': 2020, 'cited_by_count': 2}, {'year': 2019, 'cited_by_count': 5}, {'year': 2018, 'cited_by_count': 2}, {'year': 2017, 'cited_by_count': 1}], 'updated_date': '2024-12-30T11:06:10.037885', 'created_date': '2017-06-15'}