Class information for:
Level 1: SPIROMETRY//REFERENCE EQUATIONS//PULMONARY FUNCTION TESTS

Basic class information
Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
7 4 CARDIAC & CARDIOVASCULAR SYSTEM//PERIPHERAL VASCULAR DISEASES//CARDIOL 1572904
110 3       RESPIRATORY SYSTEM//COPD//ASTHMA 72791
1232 2             EMPHYSEMA//LUNG VOLUME REDUCTION SURGERY//SPIROMETRY 9327
5725 1                   SPIROMETRY//REFERENCE EQUATIONS//PULMONARY FUNCTION TESTS 1614

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SPIROMETRY authKW 1236702 22% 18% 356
2 REFERENCE EQUATIONS authKW 274959 2% 54% 26
3 PULMONARY FUNCTION TESTS authKW 157455 6% 8% 103
4 FORCED VITAL CAPACITY authKW 121296 2% 18% 34
5 FORCED EXPIRATORY VOLUME IN SIX SECONDS authKW 117153 0% 100% 6
6 FORCED EXPIRATORY VOLUME authKW 115695 2% 17% 34
7 REFERENCE VALUES authKW 106133 6% 6% 97
8 RESPIRATORY SYSTEM WoSSC 87490 60% 0% 976
9 RESPIRATORY FUNCTION TESTS authKW 76755 3% 8% 52
10 PORTEX P UNIT address 73310 1% 29% 13

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Respiratory System 87490 60% 0% 976
2 Critical Care Medicine 8769 15% 0% 235
3 Public, Environmental & Occupational Health 1112 12% 0% 193
4 Medicine, General & Internal 844 12% 0% 193
5 Allergy 628 3% 0% 50
6 Pediatrics 429 7% 0% 106
7 Geriatrics & Gerontology 194 2% 0% 35
8 Cardiac & Cardiovascular System 169 5% 0% 86
9 Physiology 131 4% 0% 66
10 Medical Informatics 125 1% 0% 20

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PORTEX P UNIT 73310 1% 29% 13
2 PAEDIAT PULM DIS 52065 0% 67% 4
3 P CRIT CARE ANAESTHESIA SECT 41340 0% 35% 6
4 PULM FUNCT TESTING UNIT 39051 0% 100% 2
5 P ENVIRONM EPIDEMIOL 35143 0% 60% 3
6 UBC JAMES HOGG S 35143 0% 60% 3
7 PULMONOLGY THORAC SURG 26033 0% 67% 2
8 SERV PHYSIOL EXPLORAT FONCT MULTIDISCIPLINAI 26033 0% 67% 2
9 SECT THORAC MED 25684 0% 26% 5
10 P DIS STUDIES 21419 1% 5% 20

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 BULLETIN EUROPEEN DE PHYSIOPATHOLOGIE RESPIRATOIRE-CLINICAL RESPIRATORY PHYSIOLOGY 38826 2% 6% 35
2 AMERICAN REVIEW OF RESPIRATORY DISEASE 30378 6% 2% 98
3 EUROPEAN RESPIRATORY JOURNAL 26939 7% 1% 113
4 RESPIRATORY MEDICINE 20844 5% 1% 76
5 RESPIRATORY CARE 19048 3% 2% 43
6 CHEST 13213 7% 1% 120
7 PEDIATRIC PULMONOLOGY 12515 3% 1% 56
8 THORAX 10403 4% 1% 62
9 RESPIRATION 9877 3% 1% 43
10 CLINICAL RESPIRATORY PHYSIOLOGY-BULLETIN EUROPEEN DE PHYSIOPATHOLOGIE RESPIRATOIRE 9868 1% 6% 9

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 SPIROMETRY 1236702 22% 18% 356 Search SPIROMETRY Search SPIROMETRY
2 REFERENCE EQUATIONS 274959 2% 54% 26 Search REFERENCE+EQUATIONS Search REFERENCE+EQUATIONS
3 PULMONARY FUNCTION TESTS 157455 6% 8% 103 Search PULMONARY+FUNCTION+TESTS Search PULMONARY+FUNCTION+TESTS
4 FORCED VITAL CAPACITY 121296 2% 18% 34 Search FORCED+VITAL+CAPACITY Search FORCED+VITAL+CAPACITY
5 FORCED EXPIRATORY VOLUME IN SIX SECONDS 117153 0% 100% 6 Search FORCED+EXPIRATORY+VOLUME+IN+SIX+SECONDS Search FORCED+EXPIRATORY+VOLUME+IN+SIX+SECONDS
6 FORCED EXPIRATORY VOLUME 115695 2% 17% 34 Search FORCED+EXPIRATORY+VOLUME Search FORCED+EXPIRATORY+VOLUME
7 REFERENCE VALUES 106133 6% 6% 97 Search REFERENCE+VALUES Search REFERENCE+VALUES
8 RESPIRATORY FUNCTION TESTS 76755 3% 8% 52 Search RESPIRATORY+FUNCTION+TESTS Search RESPIRATORY+FUNCTION+TESTS
9 FEV6 69731 0% 71% 5 Search FEV6 Search FEV6
10 LUNG FUNCTION 60159 6% 3% 92 Search LUNG+FUNCTION Search LUNG+FUNCTION

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1


rank cluster_id2 link
1 21944 SUPRAMAXIMAL FLOW//MAXIMAL EXPIRATORY FLOW VOLUME CURVE//AIRWAY CONFIGURATION
2 14937 PEAK EXPIRATORY FLOW//NOCTURNAL ASTHMA//PEAK FLOW METER
3 15482 LUNG MICROANGIOPATHY//SYSTEMIC INFLAMMATION//RESTRICTIVE VENTILATORY DYSFUNCTION
4 83 COPD//CHRONIC OBSTRUCTIVE PULMONARY DISEASE//TIOTROPIUM
5 12348 DIFFUSING CAPACITY//PULMONARY CAPILLARY BLOOD VOLUME//LUNG DIFFUSING CAPACITY
6 19622 LEICESTER P BIOMED UNIT//COPD RELATED PHENOTYPES//IREB2
7 15403 ACOS//ASTHMA COPD OVERLAP SYNDROME//ASTHMA CHRONIC OBSTRUCTIVE PULMONARY DISEASE OVERLAP SYNDROME
8 8146 METHACHOLINE//BRONCHIAL HYPERRESPONSIVENESS//METHACHOLINE INHALATION CHALLENGE
9 8839 ASTHMA//OBESITY//BODY MASS INDEX
10 17238 MULTIPLE BREATH WASHOUT//LUNG CLEARANCE INDEX//VENTILATION INHOMOGENEITY

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