Class information for: |
Basic class information |
Class id | #P | Avg. number of references |
Database coverage of references |
---|---|---|---|
1215 | 2781 | 32.3 | 62% |
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 |
1215 | 1 | SPIROMETRY//COPD//LOWER LIMIT OF NORMAL | 2781 |
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 | SPIROMETRY | authKW | 1746978 | 20% | 29% | 551 |
2 | COPD | authKW | 338134 | 16% | 7% | 439 |
3 | LOWER LIMIT OF NORMAL | authKW | 181470 | 1% | 72% | 23 |
4 | CHRONIC OBSTRUCTIVE PULMONARY DISEASE | authKW | 170100 | 12% | 5% | 327 |
5 | RESPIRATORY SYSTEM | WoSSC | 162557 | 62% | 1% | 1737 |
6 | REFERENCE EQUATIONS | authKW | 161309 | 1% | 57% | 26 |
7 | CHRONIC BRONCHITIS | authKW | 88336 | 3% | 11% | 75 |
8 | PULMONARY FUNCTION TESTS | authKW | 88203 | 4% | 8% | 101 |
9 | COPD PREVALENCE | authKW | 76847 | 0% | 100% | 7 |
10 | FEV6 | authKW | 76847 | 0% | 100% | 7 |
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 | 162557 | 62% | 1% | 1737 |
2 | Critical Care Medicine | 13466 | 14% | 0% | 384 |
3 | Primary Health Care | 3733 | 4% | 0% | 104 |
4 | Medicine, General & Internal | 3269 | 17% | 0% | 473 |
5 | Public, Environmental & Occupational Health | 2115 | 12% | 0% | 345 |
6 | Cardiac & Cardiovascular System | 590 | 7% | 0% | 194 |
7 | Health Care Sciences & Services | 204 | 2% | 0% | 63 |
8 | Geriatrics & Gerontology | 174 | 2% | 0% | 45 |
9 | Allergy | 161 | 1% | 0% | 37 |
10 | Gerontology | 73 | 1% | 0% | 23 |
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 | SECT THORAC MED | 39025 | 0% | 44% | 8 |
2 | OLIN STUDIES | 36844 | 1% | 22% | 15 |
3 | PAEDIAT PULM DIS | 29272 | 0% | 67% | 4 |
4 | HOSP MACIEL | 28093 | 0% | 32% | 8 |
5 | UBC JAMES HOGG S | 24699 | 0% | 75% | 3 |
6 | PROGRAM EPIDEMIOL CLIN | 24442 | 0% | 32% | 7 |
7 | PORTEX P UNIT | 24380 | 0% | 22% | 10 |
8 | CAHPRI PUBL HLTH CARE | 21956 | 0% | 100% | 2 |
9 | PUBL HLTH CARE C HRI | 21956 | 0% | 100% | 2 |
10 | RECINTE HOSP JOAN MARCH | 21956 | 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 | COPD-JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE | 74815 | 2% | 11% | 65 |
2 | INTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE | 72168 | 3% | 8% | 81 |
3 | RESPIRATORY MEDICINE | 65885 | 6% | 3% | 178 |
4 | PRIMARY CARE RESPIRATORY JOURNAL | 49550 | 1% | 14% | 33 |
5 | EUROPEAN RESPIRATORY JOURNAL | 38278 | 6% | 2% | 178 |
6 | NPJ PRIMARY CARE RESPIRATORY MEDICINE | 32164 | 1% | 13% | 22 |
7 | CHEST | 23530 | 8% | 1% | 213 |
8 | AMERICAN REVIEW OF RESPIRATORY DISEASE | 19526 | 4% | 2% | 105 |
9 | RESPIROLOGY | 19381 | 2% | 3% | 62 |
10 | THORAX | 16641 | 4% | 1% | 104 |
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 | SPIROMETRY | 1746978 | 20% | 29% | 551 | Search SPIROMETRY | Search SPIROMETRY |
2 | COPD | 338134 | 16% | 7% | 439 | Search COPD | Search COPD |
3 | LOWER LIMIT OF NORMAL | 181470 | 1% | 72% | 23 | Search LOWER+LIMIT+OF+NORMAL | Search LOWER+LIMIT+OF+NORMAL |
4 | CHRONIC OBSTRUCTIVE PULMONARY DISEASE | 170100 | 12% | 5% | 327 | Search CHRONIC+OBSTRUCTIVE+PULMONARY+DISEASE | Search CHRONIC+OBSTRUCTIVE+PULMONARY+DISEASE |
5 | REFERENCE EQUATIONS | 161309 | 1% | 57% | 26 | Search REFERENCE+EQUATIONS | Search REFERENCE+EQUATIONS |
6 | CHRONIC BRONCHITIS | 88336 | 3% | 11% | 75 | Search CHRONIC+BRONCHITIS | Search CHRONIC+BRONCHITIS |
7 | PULMONARY FUNCTION TESTS | 88203 | 4% | 8% | 101 | Search PULMONARY+FUNCTION+TESTS | Search PULMONARY+FUNCTION+TESTS |
8 | COPD PREVALENCE | 76847 | 0% | 100% | 7 | Search COPD+PREVALENCE | Search COPD+PREVALENCE |
9 | FEV6 | 76847 | 0% | 100% | 7 | Search FEV6 | Search FEV6 |
10 | AIRFLOW OBSTRUCTION | 74597 | 1% | 20% | 34 | Search AIRFLOW+OBSTRUCTION | Search AIRFLOW+OBSTRUCTION |
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 | ADELOYE, D , CHUA, S , LEE, CW , BASQUILL, C , PAPANA, A , THEODORATOU, E , NAIR, H , GASEVIC, D , SRIDHAR, D , CAMPBELL, H , ET AL (2015) GLOBAL AND REGIONAL ESTIMATES OF COPD PREVALENCE: SYSTEMATIC REVIEW AND META-ANALYSIS.JOURNAL OF GLOBAL HEALTH. VOL. 5. ISSUE 2. P. 186 -202 | 99 | 85% | 8 |
2 | QUANJER, PH , STANOJEVIC, S , COLE, TJ , BAUR, X , HALL, GL , CULVER, BH , ENRIGHT, PL , HANKINSON, JL , IP, MSM , ZHENG, JP , ET AL (2012) MULTI-ETHNIC REFERENCE VALUES FOR SPIROMETRY FOR THE 3-95-YR AGE RANGE: THE GLOBAL LUNG FUNCTION 2012 EQUATIONS.EUROPEAN RESPIRATORY JOURNAL. VOL. 40. ISSUE 6. P. 1324-1343 | 59 | 65% | 434 |
3 | TAFURO, F , CORRADI, M , MUTTI, A , (2014) INTERPRETATIVE STRATEGIES OF LUNG FUNCTION TESTS: OBSTRUCTIVE PATTERN.MEDICINA DEL LAVORO. VOL. 105. ISSUE 3. P. 197-213 | 69 | 84% | 1 |
4 | REDLICH, CA , TARLO, SM , HANKINSON, JL , TOWNSEND, MC , ESCHENBACHER, WL , VON ESSEN, SG , SIGSGAARD, T , WEISSMAN, DN , (2014) OFFICIAL AMERICAN THORACIC SOCIETY TECHNICAL STANDARDS: SPIROMETRY IN THE OCCUPATIONAL SETTING.AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE. VOL. 189. ISSUE 8. P. 984-994 | 64 | 78% | 6 |
5 | RYCROFT, CE , HEYES, A , LANZA, L , BECKER, K , (2012) EPIDEMIOLOGY OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE: A LITERATURE REVIEW.INTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE. VOL. 7. ISSUE . P. 457-494 | 62 | 63% | 68 |
6 | LEE, PN , FRY, JS , (2010) SYSTEMATIC REVIEW OF THE EVIDENCE RELATING FEV1 DECLINE TO GIVING UP SMOKING.BMC MEDICINE. VOL. 8. ISSUE . P. - | 91 | 50% | 38 |
7 | FOREY, BA , THORNTON, AJ , LEE, PN , (2011) SYSTEMATIC REVIEW WITH META-ANALYSIS OF THE EPIDEMIOLOGICAL EVIDENCE RELATING SMOKING TO COPD, CHRONIC BRONCHITIS AND EMPHYSEMA.BMC PULMONARY MEDICINE. VOL. 11. ISSUE . P. - | 85 | 46% | 78 |
8 | PELLEGRINO, R , VIEGI, G , BRUSASCO, V , CRAPO, RO , BURGOS, F , CASABURI, R , COATES, A , VAN DER GRINTEN, CPM , GUSTAFSSON, P , HANKINSON, J , ET AL (2005) INTERPRETATIVE STRATEGIES FOR LUNG FUNCTION TESTS.EUROPEAN RESPIRATORY JOURNAL. VOL. 26. ISSUE 5. P. 948 -968 | 49 | 43% | 1879 |
9 | LIOU, TG , KANNER, RE , (2009) SPIROMETRY.CLINICAL REVIEWS IN ALLERGY & IMMUNOLOGY. VOL. 37. ISSUE 3. P. 137-152 | 53 | 80% | 3 |
10 | LOPEZ-CAMPOS, JL , TAN, W , SORIANO, JB , (2016) GLOBAL BURDEN OF COPD.RESPIROLOGY. VOL. 21. ISSUE 1. P. 14 -23 | 36 | 56% | 13 |
Classes with closest relation at Level 1 |