Class information for:
Level 2: EMPHYSEMA//LUNG VOLUME REDUCTION SURGERY//SPIROMETRY

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
3365 1                   FORCED OSCILLATION TECHNIQUE//RESPIRATORY IMPEDANCE//INTERRUPTER TECHNIQUE 2033
5725 1                   SPIROMETRY//REFERENCE EQUATIONS//PULMONARY FUNCTION TESTS 1614
6199 1                   EMPHYSEMA//AIR TRAPPING//EMPHYSEMA PULMONARY 1543
9656 1                   PATIENT TRIGGERED VENTILATION//PEDIATRIC PULMONOLOGY//INTENS THER Y P MED UNIT 1165
11966 1                   LUNG VOLUME REDUCTION SURGERY//LUNG VOLUME REDUCTION//BRONCHOSCOPIC LUNG VOLUME REDUCTION 969
12348 1                   DIFFUSING CAPACITY//PULMONARY CAPILLARY BLOOD VOLUME//LUNG DIFFUSING CAPACITY 943
17238 1                   MULTIPLE BREATH WASHOUT//LUNG CLEARANCE INDEX//VENTILATION INHOMOGENEITY 637
21944 1                   SUPRAMAXIMAL FLOW//MAXIMAL EXPIRATORY FLOW VOLUME CURVE//AIRWAY CONFIGURATION 423

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 EMPHYSEMA authKW 487199 6% 27% 544
2 LUNG VOLUME REDUCTION SURGERY authKW 439447 2% 83% 156
3 SPIROMETRY authKW 386700 5% 24% 479
4 RESPIRATORY SYSTEM WoSSC 300177 47% 2% 4360
5 FORCED OSCILLATION TECHNIQUE authKW 295603 1% 67% 131
6 LUNG VOLUME REDUCTION authKW 257483 1% 83% 92
7 RESPIRATORY IMPEDANCE authKW 193483 1% 78% 73
8 INTERRUPTER TECHNIQUE authKW 165466 1% 88% 56
9 RESPIRATORY MECHANICS authKW 164748 2% 26% 186
10 MULTIPLE BREATH WASHOUT authKW 162919 1% 86% 56

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Respiratory System 300177 47% 2% 4360
2 Critical Care Medicine 30839 11% 1% 1067
3 Physiology 22525 17% 0% 1625
4 Sport Sciences 21623 12% 1% 1085
5 Pediatrics 6186 10% 0% 907
6 Radiology, Nuclear Medicine & Medical Imaging 4672 10% 0% 912
7 Engineering, Biomedical 4057 6% 0% 539
8 Medical Informatics 1572 2% 0% 164
9 Allergy 1383 2% 0% 186
10 Cardiac & Cardiovascular System 937 5% 0% 489

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PORTEX P UNIT 46883 0% 56% 25
2 INTENS THER Y P MED UNIT 34570 0% 64% 16
3 PORTEX ANAESTHESIA INTENS THER Y P MED UNIT 26360 0% 46% 17
4 P MED 25172 4% 2% 403
5 PULM FUNCT 25074 0% 25% 30
6 MED INFORMAT ENGN 24811 0% 20% 36
7 VERMONT LUNG 19823 0% 18% 32
8 LUDWIG BOLTZMANN COPD P EPIDEMIOL 18563 0% 50% 11
9 THORAXKLIN 18559 1% 11% 51
10 PNEUMOL CRIT CARE MED 17646 0% 22% 24

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF APPLIED PHYSIOLOGY 144787 10% 5% 947
2 PEDIATRIC PULMONOLOGY 118016 4% 9% 413
3 EUROPEAN RESPIRATORY JOURNAL 82114 5% 5% 475
4 BULLETIN EUROPEEN DE PHYSIOPATHOLOGIE RESPIRATOIRE-CLINICAL RESPIRATORY PHYSIOLOGY 68700 1% 18% 112
5 AMERICAN REVIEW OF RESPIRATORY DISEASE 47353 3% 5% 295
6 RESPIRATION PHYSIOLOGY 40553 2% 7% 177
7 RESPIRATION 39541 2% 6% 207
8 AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE 39187 4% 3% 339
9 RESPIRATORY PHYSIOLOGY & NEUROBIOLOGY 32632 2% 6% 162
10 CHEST 29310 5% 2% 432

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 EMPHYSEMA 487199 6% 27% 544 Search EMPHYSEMA Search EMPHYSEMA
2 LUNG VOLUME REDUCTION SURGERY 439447 2% 83% 156 Search LUNG+VOLUME+REDUCTION+SURGERY Search LUNG+VOLUME+REDUCTION+SURGERY
3 SPIROMETRY 386700 5% 24% 479 Search SPIROMETRY Search SPIROMETRY
4 FORCED OSCILLATION TECHNIQUE 295603 1% 67% 131 Search FORCED+OSCILLATION+TECHNIQUE Search FORCED+OSCILLATION+TECHNIQUE
5 LUNG VOLUME REDUCTION 257483 1% 83% 92 Search LUNG+VOLUME+REDUCTION Search LUNG+VOLUME+REDUCTION
6 RESPIRATORY IMPEDANCE 193483 1% 78% 73 Search RESPIRATORY+IMPEDANCE Search RESPIRATORY+IMPEDANCE
7 INTERRUPTER TECHNIQUE 165466 1% 88% 56 Search INTERRUPTER+TECHNIQUE Search INTERRUPTER+TECHNIQUE
8 RESPIRATORY MECHANICS 164748 2% 26% 186 Search RESPIRATORY+MECHANICS Search RESPIRATORY+MECHANICS
9 MULTIPLE BREATH WASHOUT 162919 1% 86% 56 Search MULTIPLE+BREATH+WASHOUT Search MULTIPLE+BREATH+WASHOUT
10 AIRWAY RESISTANCE 149145 2% 30% 149 Search AIRWAY+RESISTANCE Search AIRWAY+RESISTANCE

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 2


rank cluster_id2 link
1 644 COPD//CHRONIC OBSTRUCTIVE PULMONARY DISEASE//INTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE
2 627 RESPIRATORY MUSCLES//NONINVASIVE VENTILATION//DIAPHRAGM
3 577 ACUTE RESPIRATORY DISTRESS SYNDROME//ACUTE LUNG INJURY//VENTILATOR INDUCED LUNG INJURY
4 481 AIRWAY SMOOTH MUSCLE//COUGH//ASTHMA
5 1702 PULSE OXIMETRY//HIGH FLOW NASAL CANNULA//NEONATAL RESUSCITATION
6 2200 IDIOPATHIC PULMONARY FIBROSIS//PULMONARY FIBROSIS//PIRFENIDONE
7 1824 BRONCHOPULMONARY DYSPLASIA//LUNG DEVELOPMENT//CHRONIC LUNG DISEASE
8 1760 OZONE//OZONE THERAPY//INHALATION TOXICOLOGY
9 934 ASTHMA//ALLERGY//ATOPY
10 271 ASTHMA//JOURNAL OF ASTHMA//INHALED CORTICOSTEROIDS

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