Class information for:
Level 1: LUNG VOLUME REDUCTION SURGERY//LUNG VOLUME REDUCTION//BRONCHOSCOPIC LUNG VOLUME REDUCTION

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
11966 1                   LUNG VOLUME REDUCTION SURGERY//LUNG VOLUME REDUCTION//BRONCHOSCOPIC LUNG VOLUME REDUCTION 969

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 LUNG VOLUME REDUCTION SURGERY authKW 3861200 15% 80% 149
2 LUNG VOLUME REDUCTION authKW 2373307 9% 81% 90
3 BRONCHOSCOPIC LUNG VOLUME REDUCTION authKW 1141657 4% 95% 37
4 EMPHYSEMA authKW 1081350 27% 13% 261
5 ENDOSCOPIC LUNG VOLUME REDUCTION authKW 1040754 3% 100% 32
6 ENDOBRONCHIAL VALVE authKW 679654 3% 65% 32
7 GIANT BULLA authKW 375962 2% 68% 17
8 REDUCTION PNEUMOPLASTY authKW 357759 1% 100% 11
9 COLLATERAL VENTILATION authKW 355772 2% 58% 19
10 LVRS authKW 289280 1% 68% 13

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Respiratory System 63175 66% 0% 642
2 Critical Care Medicine 8666 19% 0% 180
3 Cardiac & Cardiovascular System 3630 25% 0% 239
4 Surgery 3032 31% 0% 299
5 Medicine, General & Internal 400 11% 0% 105
6 Anesthesiology 345 4% 0% 38
7 Radiology, Nuclear Medicine & Medical Imaging 166 6% 0% 61
8 MEDICINE, MISCELLANEOUS 19 0% 0% 1
9 Transplantation 9 1% 0% 10
10 Peripheral Vascular Diseases 2 1% 0% 12

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 LUDWIG BOLTZMANN COPD P EPIDEMIOL 178869 1% 50% 11
2 PNEUMOL CRIT CARE MED 130356 2% 19% 21
3 THORAXKLIN 121732 4% 9% 42
4 NIHR P DIS 97571 0% 100% 3
5 OFF CHAIR STEERING COMM 97571 0% 100% 3
6 LUDWIG BOLTZMANN COPD 94604 1% 36% 8
7 LAKEWOOD REG MED 86727 0% 67% 4
8 EMPHYSEMA 83625 1% 43% 6
9 JACQUELINE MARITZ LUNG 74336 0% 57% 4
10 PULMONOL P CARE MED 73177 0% 75% 3

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 RESPIRATION 19732 5% 1% 47
2 AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE 13126 7% 1% 63
3 CHEST 12986 9% 0% 92
4 ANNALS OF THORACIC SURGERY 11010 9% 0% 85
5 REVUE FRANCAISE DES MALADIES RESPIRATOIRES 8063 1% 4% 6
6 REVUE DES MALADIES RESPIRATOIRES 7215 3% 1% 29
7 EUROPEAN JOURNAL OF CARDIO-THORACIC SURGERY 6814 4% 1% 42
8 JOURNAL OF THORACIC AND CARDIOVASCULAR SURGERY 6646 5% 0% 51
9 INTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE 6146 2% 1% 15
10 EUROPEAN RESPIRATORY JOURNAL 4271 4% 0% 35

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 LUNG VOLUME REDUCTION SURGERY 3861200 15% 80% 149 Search LUNG+VOLUME+REDUCTION+SURGERY Search LUNG+VOLUME+REDUCTION+SURGERY
2 LUNG VOLUME REDUCTION 2373307 9% 81% 90 Search LUNG+VOLUME+REDUCTION Search LUNG+VOLUME+REDUCTION
3 BRONCHOSCOPIC LUNG VOLUME REDUCTION 1141657 4% 95% 37 Search BRONCHOSCOPIC+LUNG+VOLUME+REDUCTION Search BRONCHOSCOPIC+LUNG+VOLUME+REDUCTION
4 EMPHYSEMA 1081350 27% 13% 261 Search EMPHYSEMA Search EMPHYSEMA
5 ENDOSCOPIC LUNG VOLUME REDUCTION 1040754 3% 100% 32 Search ENDOSCOPIC+LUNG+VOLUME+REDUCTION Search ENDOSCOPIC+LUNG+VOLUME+REDUCTION
6 ENDOBRONCHIAL VALVE 679654 3% 65% 32 Search ENDOBRONCHIAL+VALVE Search ENDOBRONCHIAL+VALVE
7 GIANT BULLA 375962 2% 68% 17 Search GIANT+BULLA Search GIANT+BULLA
8 REDUCTION PNEUMOPLASTY 357759 1% 100% 11 Search REDUCTION+PNEUMOPLASTY Search REDUCTION+PNEUMOPLASTY
9 COLLATERAL VENTILATION 355772 2% 58% 19 Search COLLATERAL+VENTILATION Search COLLATERAL+VENTILATION
10 LVRS 289280 1% 68% 13 Search LVRS Search LVRS

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 6199 EMPHYSEMA//AIR TRAPPING//EMPHYSEMA PULMONARY
2 11377 SPONTANEOUS PNEUMOTHORAX//PRIMARY SPONTANEOUS PNEUMOTHORAX//PNEUMOTHORAX
3 23544 AZYGOS LOBE//ACCESSORY FISSURE//LOBAR TORSION
4 7183 LUNG RESECTION//PNEUMONECTOMY//PULMONARY RESECTION
5 14388 BRONCHOPLEURAL FISTULA//PNEUMONECTOMY//COMPLETION PNEUMONECTOMY
6 7912 AIR LEAK//FIBRIN SEALANT//FIBRIN GLUE
7 865 PULMONARY REHABILITATION//COPD//CHRONIC OBSTRUCTIVE PULMONARY DISEASE
8 519 LUNG TRANSPLANTATION//BRONCHIOLITIS OBLITERANS SYNDROME//OBLITERATIVE BRONCHIOLITIS
9 9540 INVEST RED ENFERMEDADES P CIBE//CHRONIC OBSTRUCTIVE PULMONARY DISEASE//MUSCLE DYSFUNCTION
10 28686 COLLATERAL VENTILATION//AORTIC CATHETER//ARTERIAL BLOOD WITHDRAWAL

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