Publication Information

{'id': 'https://openalex.org/W347699321', 'doi': None, 'title': 'Regression equations for spirometry in children aged 6 to 17 years in Delhi region.', 'display_name': 'Regression equations for spirometry in children aged 6 to 17 years in Delhi region.', 'publication_year': 2012, 'publication_date': '2012-07-12', 'ids': {'openalex': 'https://openalex.org/W347699321', 'mag': '347699321', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/22779126'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/22779126', '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}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['pubmed'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5112397398', 'display_name': 'Sunil K. Chhabra', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I110166357', 'display_name': 'University of Delhi', 'ror': 'https://ror.org/04gzb2213', 'country_code': 'IN', 'type': 'education', 'lineage': ['https://openalex.org/I110166357']}], 'countries': ['IN'], 'is_corresponding': False, 'raw_author_name': 'S K Chhabra', 'raw_affiliation_strings': ['Departments of Cardio-respiratory Physiology, Viswanathan Chest Hospital, Vallabhbhai Patel Chest Institute, University of Delhi, Delhi, India. [email protected]'], 'affiliations': [{'raw_affiliation_string': 'Departments of Cardio-respiratory Physiology, Viswanathan Chest Hospital, Vallabhbhai Patel Chest Institute, University of Delhi, Delhi, India. [email protected]', 'institution_ids': ['https://openalex.org/I110166357']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5109529029', 'display_name': 'V K Vijayan', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'V K Vijayan', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5029174615', 'display_name': 'M. Sohel Rahman', 'orcid': 'https://orcid.org/0000-0001-9419-6478'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'M Rahman', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5110714108', 'display_name': 'Vinod Mittal', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'V Mittal', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5055397035', 'display_name': 'P. D. Singh', 'orcid': 'https://orcid.org/0000-0003-0692-8013'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'P D Singh', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 2.264, 'has_fulltext': False, 'cited_by_count': 19, 'citation_normalized_percentile': {'value': 0.805726, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 89, 'max': 90}, 'biblio': {'volume': '54', 'issue': '1', 'first_page': '59', 'last_page': '63'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10143', 'display_name': 'Chronic Obstructive Pulmonary Disease (COPD) Research', 'score': 0.9995, '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': 0.9995, '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': 0.9856, '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/T11651', 'display_name': 'Inhalation and Respiratory Drug Delivery', 'score': 0.979, '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': [{'id': 'https://openalex.org/keywords/vital-capacity', 'display_name': 'Vital capacity', 'score': 0.8348338}, {'id': 'https://openalex.org/keywords/exhalation', 'display_name': 'Exhalation', 'score': 0.6059737}], 'concepts': [{'id': 'https://openalex.org/C2780333948', 'wikidata': 'https://www.wikidata.org/wiki/Q653305', 'display_name': 'Spirometry', 'level': 3, 'score': 0.91808766}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.8364428}, {'id': 'https://openalex.org/C55520419', 'wikidata': 'https://www.wikidata.org/wiki/Q660995', 'display_name': 'Vital capacity', 'level': 5, 'score': 0.8348338}, {'id': 'https://openalex.org/C43396882', 'wikidata': 'https://www.wikidata.org/wiki/Q2197000', 'display_name': 'Exhalation', 'level': 2, 'score': 0.6059737}, {'id': 'https://openalex.org/C152877465', 'wikidata': 'https://www.wikidata.org/wiki/Q208042', 'display_name': 'Regression analysis', 'level': 2, 'score': 0.52775127}, {'id': 'https://openalex.org/C48921125', 'wikidata': 'https://www.wikidata.org/wiki/Q10861030', 'display_name': 'Linear regression', 'level': 2, 'score': 0.5218667}, {'id': 'https://openalex.org/C2908647359', 'wikidata': 'https://www.wikidata.org/wiki/Q2625603', 'display_name': 'Population', 'level': 2, 'score': 0.47400603}, {'id': 'https://openalex.org/C105795698', 'wikidata': 'https://www.wikidata.org/wiki/Q12483', 'display_name': 'Statistics', 'level': 1, 'score': 0.43926316}, {'id': 'https://openalex.org/C149923435', 'wikidata': 'https://www.wikidata.org/wiki/Q37732', 'display_name': 'Demography', 'level': 1, 'score': 0.39091176}, {'id': 'https://openalex.org/C2776042228', 'wikidata': 'https://www.wikidata.org/wiki/Q35869', 'display_name': 'Asthma', 'level': 2, 'score': 0.28317124}, {'id': 'https://openalex.org/C3018587741', 'wikidata': 'https://www.wikidata.org/wiki/Q7886', 'display_name': 'Lung function', 'level': 3, 'score': 0.2700001}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.20282549}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.15496951}, {'id': 'https://openalex.org/C99454951', 'wikidata': 'https://www.wikidata.org/wiki/Q932068', 'display_name': 'Environmental health', 'level': 1, 'score': 0.12770975}, {'id': 'https://openalex.org/C2777714996', 'wikidata': 'https://www.wikidata.org/wiki/Q7886', 'display_name': 'Lung', 'level': 2, 'score': 0.12087032}, {'id': 'https://openalex.org/C42219234', 'wikidata': 'https://www.wikidata.org/wiki/Q131130', 'display_name': 'Anesthesia', 'level': 1, 'score': 0.07602739}, {'id': 'https://openalex.org/C144024400', 'wikidata': 'https://www.wikidata.org/wiki/Q21201', 'display_name': 'Sociology', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C165637977', 'wikidata': 'https://www.wikidata.org/wiki/Q11067835', 'display_name': 'Diffusing capacity', 'level': 4, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D008168', 'descriptor_name': 'Lung', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': True}, {'descriptor_ui': 'D012044', 'descriptor_name': 'Regression Analysis', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D000293', 'descriptor_name': 'Adolescent', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002648', 'descriptor_name': 'Child', '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': 'D005541', 'descriptor_name': 'Forced Expiratory Volume', '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': 'D008168', 'descriptor_name': 'Lung', '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': 'D010366', 'descriptor_name': 'Peak Expiratory Flow Rate', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012016', 'descriptor_name': 'Reference Values', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D013147', 'descriptor_name': 'Spirometry', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D014797', 'descriptor_name': 'Vital Capacity', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/22779126', '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': None, 'sustainable_development_goals': [{'score': 0.46, 'id': 'https://metadata.un.org/sdg/3', 'display_name': 'Good health and well-being'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 8, 'referenced_works': ['https://openalex.org/W1431532846', 'https://openalex.org/W2125078269', 'https://openalex.org/W2130334388', 'https://openalex.org/W2407954035', 'https://openalex.org/W2412034726', 'https://openalex.org/W2414603220', 'https://openalex.org/W2469819809', 'https://openalex.org/W74017026'], 'related_works': ['https://openalex.org/W4214640297', 'https://openalex.org/W347699321', 'https://openalex.org/W3024573624', 'https://openalex.org/W2913165465', 'https://openalex.org/W2735649636', 'https://openalex.org/W2161366372', 'https://openalex.org/W2056489213', 'https://openalex.org/W2040003214', 'https://openalex.org/W1989895937', 'https://openalex.org/W163133450'], 'abstract_inverted_index': {'Most': [0], 'of': [1, 47, 66, 74, 154, 167, 173, 181, 218, 234, 263, 295, 316, 325], 'the': [2, 35, 48, 107, 112, 131, 142, 168, 179, 231, 235, 257, 271, 287, 307, 314, 317], 'studies': [3], 'carried': [4, 127], 'out': [5, 128], 'in': [6, 14, 70, 121, 152, 187, 200, 249, 299], 'India': [7, 312], 'to': [8, 63, 87, 106, 129, 241], 'develop': [9, 54], 'regression': [10, 55, 145, 174], 'equations': [11, 33, 56, 138, 258, 289], 'for': [12, 39, 57, 59, 134, 277, 284, 290, 293], 'spirometry': [13, 40, 58, 104, 291], 'children': [15, 60, 73, 294], 'are': [16, 41], 'now': [17], 'several': [18], 'years-to-decades': [19], 'old': [20], 'and': [21, 25, 83, 96, 99, 157, 162, 171, 178, 190, 215, 222, 224, 247, 252, 266], 'had': [22], 'used': [23], 'equipment': [24], 'measurement': [26], 'protocols': [27, 38], 'that': [28, 283], 'have': [29, 51, 302], 'since': [30], 'changed.': [31], 'Prediction': [32, 137], 'using': [34, 141], 'current': [36], 'standardisation': [37, 324], 'not': [42], 'available.': [43], 'The': [44, 147, 274], 'lung': [45], 'health': [46, 94], 'population': [49], 'may': [50], 'changed': [52], 'too.To': [53], 'aged': [61, 85], '6': [62, 86], '17': [64, 88], 'years': [65, 89], 'north': [67, 75, 296], 'Indian': [68, 76, 297], 'origin': [69, 298], 'Delhi': [71, 300], 'region.School': [72], 'origin,': [77], 'as': [78, 268], 'determined': [79], 'by': [80, 92, 111, 270], 'mother': [81], 'tongue': [82], 'parentage,': [84], 'were': [90, 139, 150, 176], 'screened': [91], 'a': [93], 'questionnaire': [95], 'physical': [97], 'examination': [98], 'those': [100], 'found': [101], '"normal"': [102], 'underwent': [103], 'according': [105], 'standardised': [108], 'procedure': [109], 'recommended': [110], 'American': [113], 'Thoracic': [114], 'Society/European': [115], 'Respiratory': [116], 'Society': [117], '(ATS/ERS)': [118], 'task': [119, 319], 'force': [120, 320], '2005.': [122], "Pearson's": [123], 'correlation': [124], 'analysis': [125], 'was': [126, 183, 185, 280], 'identify': [130], 'predictor': [132], 'variables': [133, 149, 292], 'spirometric': [135], 'parameters.': [136], 'developed': [140], 'multiple': [143], 'linear': [144], 'procedure.': [146], 'independent': [148], 'entered': [151], 'sequence': [153], 'height,': [155], 'age': [156], 'weight.': [158], 'R2,': [159], 'adjusted': [160], 'R2': [161, 163, 272], 'change,': [164], 'standard': [165], 'errors': [166], 'estimate': [169], '(SEE),': [170], 'estimates': [172], 'coefficients': [175], 'obtained': [177, 186], 'goodness': [180], 'fit': [182], 'examined.Data': [184], '365': [188], 'boys': [189, 251], '305': [191], 'girls.': [192, 253], 'Forced': [193], 'vital': [194, 236], 'capacity': [195, 220, 237], '(FVC),': [196], 'forced': [197, 209, 226], 'expiratory': [198, 205, 210, 227], 'volume': [199], 'one': [201], 'second': [202], '(FEV1)': [203], 'peak': [204], 'flow': [206, 211, 228, 278], 'rate': [207, 212, 229], '(PEFR),': [208], 'at': [213], '50%': [214, 233], '75%': [216], 'exhalation': [217], 'vial': [219], '(F50': [221], 'F75)': [223], 'mean': [225], 'over': [230], 'middle': [232], '(F25-75)': [238], 'showed': [239], 'moderate': [240], 'strong': [242], 'correlations': [243], 'with': [244, 282], 'age,': [245], 'height': [246], 'weight': [248], 'both': [250, 255], 'In': [254], 'genders,': [256], 'explained': [259, 275], 'very': [260], 'high': [261], 'variability': [262, 276], 'FVC,': [264], 'FEV1': [265], 'PEFR': [267], 'shown': [269], 'values.': [273], 'rates': [279], 'lesser,': [281], 'F75': [285], 'being': [286], 'least.Regression': [288], 'region': [301], 'been': [303], 'developed.': [304], 'These': [305], 'represent': [306], 'first': [308], 'such': [309], 'effort': [310], 'from': [311], 'after': [313], 'publication': [315], 'ATS/ERS': [318], '2005': [321], 'guidelines': [322], 'on': [323], 'spirometry.': [326]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W347699321', 'counts_by_year': [{'year': 2023, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 1}, {'year': 2019, 'cited_by_count': 3}, {'year': 2018, 'cited_by_count': 2}, {'year': 2016, 'cited_by_count': 2}, {'year': 2015, 'cited_by_count': 5}, {'year': 2014, 'cited_by_count': 1}, {'year': 2013, 'cited_by_count': 4}], 'updated_date': '2024-12-14T16:42:34.714458', 'created_date': '2016-06-24'}