Class information for:
Level 1: EXACERBATION//CHRONIC OBSTRUCTIVE PULMONARY DISEASE//COPD

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
5994 1546 35.8 74%


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
0 4 BIOCHEMISTRY & MOLECULAR BIOLOGY//CELL BIOLOGY//ONCOLOGY 4064930
54 3       ASTHMA//RESPIRATORY SYSTEM//ALLERGY 90590
206 2             CHRONIC OBSTRUCTIVE PULMONARY DISEASE//COPD//RESPIRATORY SYSTEM 21076
5994 1                   EXACERBATION//CHRONIC OBSTRUCTIVE PULMONARY DISEASE//COPD 1546

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 EXACERBATION authKW 1432441 21% 23% 317
2 CHRONIC OBSTRUCTIVE PULMONARY DISEASE authKW 367439 23% 5% 358
3 COPD authKW 309377 20% 5% 313
4 ACUTE EXACERBATION authKW 271843 4% 21% 67
5 INTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE journal 182569 6% 10% 96
6 ACUTE EXACERBATION OF CHRONIC BRONCHITIS authKW 133465 1% 48% 14
7 ACUTE EXACERBATIONS OF CHRONIC BRONCHITIS authKW 126378 1% 40% 16
8 CHRONIC BRONCHITIS authKW 112186 4% 9% 63
9 COPD EXACERBATION authKW 106725 1% 27% 20
10 AECOPD authKW 104287 1% 41% 13

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Respiratory System 70154 55% 0% 852
2 Critical Care Medicine 5826 12% 0% 189
3 Medicine, General & Internal 2588 20% 0% 308
4 Infectious Diseases 1208 9% 0% 139
5 Health Care Sciences & Services 375 4% 0% 58
6 Cardiac & Cardiovascular System 321 7% 0% 107
7 Emergency Medicine 249 2% 0% 29
8 Primary Health Care 248 1% 0% 21
9 Pharmacology & Pharmacy 209 9% 0% 145
10 Health Policy & Services 175 2% 0% 31

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 UNIT P MED 96248 2% 15% 32
2 CLIN TORAX IDIB S 74434 0% 54% 7
3 LLEIDA SUPPORT UNIT 59249 0% 100% 3
4 PNEUMOL P INTENS CARE UNIT 59249 0% 100% 3
5 CIBER ENFERMEDADES P CIBE 47232 1% 10% 23
6 BEIJING CHAO YANG HOSP BEIJING 39499 0% 100% 2
7 CLIN THORAX IDIB S 39499 0% 100% 2
8 FO T S LLC 39499 0% 100% 2
9 INT MED P AVANZADA 39499 0% 100% 2
10 PULM 111C 39499 0% 100% 2

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 INTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE 182569 6% 10% 96
2 COPD-JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE 48455 3% 6% 39
3 RESPIRATORY MEDICINE 38923 7% 2% 102
4 ARCHIVOS DE BRONCONEUMOLOGIA 17540 2% 3% 35
5 EUROPEAN RESPIRATORY JOURNAL 11863 5% 1% 74
6 CHEST 9871 7% 0% 103
7 MULTIDISCIPLINARY RESPIRATORY MEDICINE 8712 1% 3% 13
8 THORAX 8676 4% 1% 56
9 RESPIROLOGY 8155 2% 1% 30
10 CANADIAN RESPIRATORY JOURNAL 6260 1% 2% 13

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 EXACERBATION 1432441 21% 23% 317 Search EXACERBATION Search EXACERBATION
2 CHRONIC OBSTRUCTIVE PULMONARY DISEASE 367439 23% 5% 358 Search CHRONIC+OBSTRUCTIVE+PULMONARY+DISEASE Search CHRONIC+OBSTRUCTIVE+PULMONARY+DISEASE
3 COPD 309377 20% 5% 313 Search COPD Search COPD
4 ACUTE EXACERBATION 271843 4% 21% 67 Search ACUTE+EXACERBATION Search ACUTE+EXACERBATION
5 ACUTE EXACERBATION OF CHRONIC BRONCHITIS 133465 1% 48% 14 Search ACUTE+EXACERBATION+OF+CHRONIC+BRONCHITIS Search ACUTE+EXACERBATION+OF+CHRONIC+BRONCHITIS
6 ACUTE EXACERBATIONS OF CHRONIC BRONCHITIS 126378 1% 40% 16 Search ACUTE+EXACERBATIONS+OF+CHRONIC+BRONCHITIS Search ACUTE+EXACERBATIONS+OF+CHRONIC+BRONCHITIS
7 CHRONIC BRONCHITIS 112186 4% 9% 63 Search CHRONIC+BRONCHITIS Search CHRONIC+BRONCHITIS
8 COPD EXACERBATION 106725 1% 27% 20 Search COPD+EXACERBATION Search COPD+EXACERBATION
9 AECOPD 104287 1% 41% 13 Search AECOPD Search AECOPD
10 COPD EXACERBATIONS 90002 1% 33% 14 Search COPD+EXACERBATIONS Search COPD+EXACERBATIONS

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.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 WILSON, R , SETHI, S , ANZUETO, A , MIRAVITLLES, M , (2013) ANTIBIOTICS FOR TREATMENT AND PREVENTION OF EXACERBATIONS OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE.JOURNAL OF INFECTION. VOL. 67. ISSUE 6. P. 497-515 59 57% 13
2 MIRAVITLLES, M , ANZUETO, A , (2015) ROLE OF INFECTION IN EXACERBATIONS OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE.CURRENT OPINION IN PULMONARY MEDICINE. VOL. 21. ISSUE 3. P. 278 -283 40 77% 6
3 LOPEZ-CAMPOS, JL , AGUSTI, A , (2015) HETEROGENEITY OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE EXACERBATIONS: A TWO-AXES CLASSIFICATION PROPOSAL.LANCET RESPIRATORY MEDICINE. VOL. 3. ISSUE 9. P. 729 -734 42 64% 11
4 ANZUETO, A , MIRAVITLLES, M , (2010) SHORT-COURSE FLUOROQUINOLONE THERAPY IN EXACERBATIONS OF CHRONIC BRONCHITIS AND COPD.RESPIRATORY MEDICINE. VOL. 104. ISSUE 10. P. 1396-1403 39 91% 3
5 MATKOVIC, Z , MIRAVITLLES, M , (2013) CHRONIC BRONCHIAL INFECTION IN COPD. IS THERE AN INFECTIVE PHENOTYPE?.RESPIRATORY MEDICINE. VOL. 107. ISSUE 1. P. 10-22 55 54% 15
6 BEASLEY, V , JOSHI, PV , SINGANAYAGAM, A , MOLYNEAUX, PL , JOHNSTON, SL , MALLIA, P , (2012) LUNG MICROBIOLOGY AND EXACERBATIONS IN COPD.INTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE. VOL. 7. ISSUE . P. 555-569 60 45% 29
7 MIRAVITLLES, M , ANZUETO, A , (2013) ANTIBIOTICS FOR ACUTE AND CHRONIC RESPIRATORY INFECTION IN PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE.AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE. VOL. 188. ISSUE 9. P. 1052-1057 40 70% 10
8 WALTERS, JAE , TAN, DJ , WHITE, CJ , GIBSON, PG , WOOD-BAKER, R , WALTERS, EH , (2014) SYSTEMIC CORTICOSTEROIDS FOR ACUTE EXACERBATIONS OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE.COCHRANE DATABASE OF SYSTEMATIC REVIEWS. VOL. . ISSUE 9. P. - 40 71% 0
9 BURGEL, PR , (2006) ANTIBIOTICS FOR ACUTE EXACERBATIONS OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD).MEDECINE ET MALADIES INFECTIEUSES. VOL. 36. ISSUE 11-12. P. 706-717 39 85% 4
10 MARTINEZ, FJ , (2005) ACUTE EXACERBATION OF CHRONIC BRONCHITIS: TREATMENT CHALLENGES AND THE DISEASE-FREE INTERVAL.INFECTIONS IN MEDICINE. VOL. 22. ISSUE 5. P. 217-+ 51 65% 0

Classes with closest relation at Level 1


Rank Class id link
1 2330 TIOTROPIUM//INDACATEROL//COPD
2 506 PULMONARY REHABILITATION//COPD//CHRONIC OBSTRUCTIVE PULMONARY DISEASE
3 10068 CHRONIC OBSTRUCTIVE PULMONARY DISEASE//COPD//CHRONIC SYSTEMIC INFLAMMATORY SYNDROME
4 1215 SPIROMETRY//COPD//LOWER LIMIT OF NORMAL
5 2297 CIGARETTE SMOKE//EMPHYSEMA//CHRONIC OBSTRUCTIVE PULMONARY DISEASE
6 36435 FARREROL//ACUPOINT STICKING THERAPY//BU FEI YI SHEN GRANULE
7 20942 LUNG MICROBIOME//CF AIRWAYS MICROBIOL GRP//SAHMRI INFECT IMMUN THEME
8 33510 PRULIFLOXACIN//RUFLOXACIN//ULIFLOXACIN
9 14406 BRONCHIECTASIS//MIDDLE LOBE SYNDROME//ADULT BRONCHIECTASIS SERV
10 11521 OXITROPIUM BROMIDE//IPRATROPIUM BROMIDE//BERODUAL

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