Class information for:
Level 2: CHRONIC OBSTRUCTIVE PULMONARY DISEASE//COPD//RESPIRATORY SYSTEM

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
206 21076 38.3 72%


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
506 1                   PULMONARY REHABILITATION//COPD//CHRONIC OBSTRUCTIVE PULMONARY DISEASE 3362
1215 1                   SPIROMETRY//COPD//LOWER LIMIT OF NORMAL 2781
2297 1                   CIGARETTE SMOKE//EMPHYSEMA//CHRONIC OBSTRUCTIVE PULMONARY DISEASE 2290
2330 1                   TIOTROPIUM//INDACATEROL//COPD 2279
5266 1                   BREATHLESSNESS//DYSPNEA//RESPIRATORY SENSATION 1648
5994 1                   EXACERBATION//CHRONIC OBSTRUCTIVE PULMONARY DISEASE//COPD 1546
6401 1                   EMPHYSEMA//AIR TRAPPING//EMPHYSEMA PULMONARY 1489
9352 1                   INVEST RED ENFERMEDADES P CIBE//CHRONIC OBSTRUCTIVE PULMONARY DISEASE//MUSCLE DYSFUNCTION 1163
10068 1                   CHRONIC OBSTRUCTIVE PULMONARY DISEASE//COPD//CHRONIC SYSTEMIC INFLAMMATORY SYNDROME 1095
12081 1                   LUNG VOLUME REDUCTION SURGERY//LUNG VOLUME REDUCTION//BRONCHOSCOPIC LUNG VOLUME REDUCTION 933
14406 1                   BRONCHIECTASIS//MIDDLE LOBE SYNDROME//ADULT BRONCHIECTASIS SERV 771
16226 1                   LONG TERM OXYGEN THERAPY//AMBULATORY OXYGEN//OXYGEN THERAPY 666
18695 1                   COPD RELATED PHENOTYPES//FAM13A//CHRONIC OBSTRUCTIVE PULMONARY DISEASE 539
29454 1                   CNR AGING BRANCH//25 HYDOXYLASE//ANABOL SKELETAL TARGET HLTH ILLNESS AST 186
29893 1                   EXTERNAL RESPIRATORY FUNCTION//AST TEST//CHRONIC AIRWAY FLOW LIMITATION 178
31646 1                   CHILDHOOD RESPIRATORY INFECTION//CHILDHOOD RESPIRATORY INFECTIONS//CLIN MED D 150

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 CHRONIC OBSTRUCTIVE PULMONARY DISEASE authKW 2809116 17% 53% 3656
2 COPD authKW 2711212 16% 55% 3422
3 RESPIRATORY SYSTEM WoSSC 913216 54% 6% 11353
4 INTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE journal 697215 3% 70% 693
5 EMPHYSEMA authKW 679631 5% 49% 958
6 PULMONARY REHABILITATION authKW 543160 2% 74% 505
7 EXACERBATION authKW 446125 3% 47% 654
8 TIOTROPIUM authKW 383219 1% 88% 301
9 COPD-JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE journal 379332 2% 65% 403
10 SPIROMETRY authKW 369818 3% 37% 699

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 913216 54% 6% 11353
2 Critical Care Medicine 77617 12% 2% 2548
3 Medicine, General & Internal 12223 13% 0% 2639
4 Cardiac & Cardiovascular System 7531 9% 0% 1818
5 Primary Health Care 2818 1% 1% 263
6 Health Care Sciences & Services 2633 3% 0% 594
7 Allergy 1652 2% 0% 319
8 Nursing 1185 2% 0% 355
9 Physiology 1070 3% 0% 737
10 Sport Sciences 1021 2% 0% 449

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 P MED 272198 9% 10% 1934
2 P MED DEV 80071 0% 80% 69
3 PULM CRIT CARE MED 79737 4% 6% 908
4 PULM 68513 2% 10% 484
5 PULM DIS 61666 2% 12% 363
6 PULMONOL 59107 2% 9% 467
7 THORAC MED 56252 1% 14% 275
8 SERV NEUMOL 55441 1% 16% 234
9 SERV PNEUMOL 54325 2% 9% 416
10 CIRO 53248 0% 78% 47

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 697215 3% 70% 693
2 COPD-JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE 379332 2% 65% 403
3 RESPIRATORY MEDICINE 322589 5% 21% 1085
4 EUROPEAN RESPIRATORY JOURNAL 161146 5% 11% 1007
5 CHEST 117496 6% 6% 1313
6 AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE 106551 4% 9% 847
7 RESPIRATORY RESEARCH 100037 2% 20% 352
8 THORAX 97895 3% 10% 695
9 CHRONIC RESPIRATORY DISEASE 71332 0% 53% 94
10 RESPIROLOGY 65805 1% 15% 315

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 CHRONIC OBSTRUCTIVE PULMONARY DISEASE 2809116 17% 53% 3656 Search CHRONIC+OBSTRUCTIVE+PULMONARY+DISEASE Search CHRONIC+OBSTRUCTIVE+PULMONARY+DISEASE
2 COPD 2711212 16% 55% 3422 Search COPD Search COPD
3 EMPHYSEMA 679631 5% 49% 958 Search EMPHYSEMA Search EMPHYSEMA
4 PULMONARY REHABILITATION 543160 2% 74% 505 Search PULMONARY+REHABILITATION Search PULMONARY+REHABILITATION
5 EXACERBATION 446125 3% 47% 654 Search EXACERBATION Search EXACERBATION
6 TIOTROPIUM 383219 1% 88% 301 Search TIOTROPIUM Search TIOTROPIUM
7 SPIROMETRY 369818 3% 37% 699 Search SPIROMETRY Search SPIROMETRY
8 DYSPNEA 362863 3% 39% 643 Search DYSPNEA Search DYSPNEA
9 BRONCHIECTASIS 242138 2% 39% 425 Search BRONCHIECTASIS Search BRONCHIECTASIS
10 CHRONIC OBSTRUCTIVE 220301 1% 60% 253 Search CHRONIC+OBSTRUCTIVE Search CHRONIC+OBSTRUCTIVE

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 SPRUIT, MA , SINGH, SJ , GARVEY, C , ZUWALLACK, R , NICI, L , ROCHESTER, C , HILL, K , HOLLAND, AE , LAREAU, SC , MAN, WDC , ET AL (2013) AN OFFICIAL AMERICAN THORACIC SOCIETY/EUROPEAN RESPIRATORY SOCIETY STATEMENT: KEY CONCEPTS AND ADVANCES IN PULMONARY REHABILITATION.AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE. VOL. 188. ISSUE 8. P. E13 -E64 415 63% 246
2 CAZZOLA, M , MACNEE, W , MARTINEZ, FJ , RABE, KF , FRANCIOSI, LG , BARNES, PJ , BRUSASCO, V , BURGE, PS , CALVERLEY, PMA , CELLI, BR , ET AL (2008) OUTCOMES FOR COPD PHARMACOLOGICAL TRIALS: FROM LUNG FUNCTION TO BIOMARKERS.EUROPEAN RESPIRATORY JOURNAL. VOL. 31. ISSUE 2. P. 416 -468 365 75% 399
3 VESTBO, J , HURD, SS , AGUSTI, AG , JONES, PW , VOGELMEIER, C , ANZUETO, A , BARNES, PJ , FABBRI, LM , MARTINEZ, FJ , NISHIMURA, M , ET AL (2013) GLOBAL STRATEGY FOR THE DIAGNOSIS, MANAGEMENT, AND PREVENTION OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE GOLD EXECUTIVE SUMMARY.AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE. VOL. 187. ISSUE 4. P. 347 -365 129 72% 1411
4 NICI, L , DONNER, C , WOUTERS, E , ZUWALLACK, R , AMBROSINO, N , BOURBEAU, J , CARONE, M , CELLI, B , ENGELEN, M , FAHY, B , ET AL (2006) AMERICAN THORACIC SOCIETY/EUROPEAN RESPIRATORY SOCIETY STATEMENT ON PULMONARY REHABILITATION.AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE. VOL. 173. ISSUE 12. P. 1390 -1413 221 75% 695
5 MCCARTHY, B , CASEY, D , DEVANE, D , MURPHY, K , MURPHY, E , LACASSE, Y , (2015) PULMONARY REHABILITATION FOR CHRONIC OBSTRUCTIVE PULMONARY DISEASE.COCHRANE DATABASE OF SYSTEMATIC REVIEWS. VOL. . ISSUE 2. P. - 166 88% 33
6 PARSHALL, MB , SCHWARTZSTEIN, RM , ADAMS, L , BANZETT, RB , MANNING, HL , BOURBEAU, J , CALVERLEY, PM , GIFT, AG , HARVER, A , LAREAU, SC , ET AL (2012) AN OFFICIAL AMERICAN THORACIC SOCIETY STATEMENT: UPDATE ON THE MECHANISMS, ASSESSMENT, AND MANAGEMENT OF DYSPNEA.AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE. VOL. 185. ISSUE 4. P. 435 -452 172 71% 253
7 RABE, KF , HURD, S , ANZUETO, A , BARNES, PJ , BUIST, SA , CALVERLEY, P , FUKUCHI, Y , JENKINS, C , RODRIGUEZ-ROISIN, R , VAN WEEL, C , ET AL (2007) GLOBAL STRATEGY FOR THE DIAGNOSIS, MANAGEMENT, AND PREVENTION OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE - GOLD EXECUTIVE SUMMARY.AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE. VOL. 176. ISSUE 6. P. 532-555 114 55% 2745
8 KEW, KM , DIAS, S , CATES, CJ , (2014) LONG-ACTING INHALED THERAPY (BETA-AGONISTS, ANTICHOLINERGICS AND STEROIDS) FOR COPD: A NETWORK META-ANALYSIS.COCHRANE DATABASE OF SYSTEMATIC REVIEWS. VOL. . ISSUE 3. P. - 195 85% 12
9 TROOSTERS, T , CASABURI, R , GOSSELINK, R , DECRAMER, M , (2005) PULMONARY REHABILITATION IN CHRONIC OBSTRUCTIVE PULMONARY DISEASE.AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE. VOL. 172. ISSUE 1. P. 19 -38 217 78% 249
10 MALTAIS, F , DECRAMER, M , CASABURI, R , BARREIRO, E , BURELLE, Y , DEBIGARE, R , DEKHUIJZEN, PNR , FRANSSEN, F , GAYAN-RAMIREZ, G , GEA, J , ET AL (2014) AN OFFICIAL AMERICAN THORACIC SOCIETY/EUROPEAN RESPIRATORY SOCIETY STATEMENT: UPDATE ON LIMB MUSCLE DYSFUNCTION IN CHRONIC OBSTRUCTIVE PULMONARY DISEASE EXECUTIVE SUMMARY.AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE. VOL. 189. ISSUE 9. P. 1121 -1137 188 76% 29

Classes with closest relation at Level 2


Rank Class id link
1 397 ASTHMA//JOURNAL OF ASTHMA//INHALED CORTICOSTEROIDS
2 1514 FORCED OSCILLATION TECHNIQUE//JOURNAL OF APPLIED PHYSIOLOGY//RESPIRATORY IMPEDANCE
3 802 NONINVASIVE VENTILATION//RESPIRATORY MUSCLES//DIAPHRAGM
4 3501 AMBROXOL//ERDOSTEINE//N ACETYLCYSTEINE
5 1906 ALPHA 1 ANTITRYPSIN DEFICIENCY//ALPHA 1 ANTITRYPSIN//ALPHA1 ANTITRYPSIN DEFICIENCY
6 112 ASTHMA//EOSINOPHILS//ALLERGY
7 3384 CIGARETTE SMOKE//ENVIRONMENTAL CIGARETTE SMOKE//LUNG TUMOR
8 920 ASTHMA//ATOPY//ALLERGY
9 968 IDIOPATHIC PULMONARY FIBROSIS//INTERSTITIAL LUNG DISEASE//PULMONARY FIBROSIS
10 2844 HYPERPOLARIZED GAS//LUNG MRI//XE 129 NMR

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