Class information for:
Level 1: HOSPITAL VOLUME//VOLUME OUTCOME RELATIONSHIP//VOLUME OUTCOME

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
6792 1443 28.4 79%


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
1 4 ECONOMICS//EDUCATION & EDUCATIONAL RESEARCH//PSYCHOL 3876184
24 3       HEALTH CARE SCIENCES & SERVICES//HEALTH POLICY & SERVICES//ACADEMIC MEDICINE 112833
1061 2             PUBLIC REPORTING//RISK ADJUSTMENT//EUROSCORE 10028
6792 1                   HOSPITAL VOLUME//VOLUME OUTCOME RELATIONSHIP//VOLUME OUTCOME 1443

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 HOSPITAL VOLUME authKW 634784 5% 38% 79
2 VOLUME OUTCOME RELATIONSHIP authKW 396715 2% 63% 30
3 VOLUME OUTCOME authKW 287468 2% 54% 25
4 SURGEON VOLUME authKW 285057 2% 42% 32
5 SURGICAL VOLUME authKW 159668 1% 38% 20
6 PROVIDER VOLUME authKW 142821 1% 75% 9
7 HIGH VOLUME HOSPITALS authKW 111305 1% 48% 11
8 MINIMUM VOLUMES authKW 105797 0% 100% 5
9 QUEENSLAND LIVER TRANSPLANT UNIT address 88162 0% 83% 5
10 VOLUME OUTCOME EFFECTS authKW 84637 0% 100% 4

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 Surgery 14702 54% 0% 774
2 Health Policy & Services 3205 8% 0% 115
3 Health Care Sciences & Services 2668 10% 0% 138
4 Gastroenterology & Hepatology 1286 10% 0% 140
5 Respiratory System 622 6% 0% 86
6 Oncology 531 12% 0% 171
7 Orthopedics 503 6% 0% 81
8 Urology & Nephrology 468 6% 0% 86
9 Cardiac & Cardiovascular System 426 8% 0% 115
10 Medicine, General & Internal 311 8% 0% 121

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 QUEENSLAND LIVER TRANSPLANT UNIT 88162 0% 83% 5
2 MICHIGAN SURG ABORAT OUTCOMES EVALUAT 50396 1% 26% 9
3 CANC NKI 42319 0% 100% 2
4 COMM BOARD CERTIFICAT SYST EXPERT SURG 42319 0% 100% 2
5 PATIENT COMPARAT EFFECTIVENESS 42319 0% 100% 2
6 SURG OUTCOME TRIALS EPIDEMIOL 42319 0% 100% 2
7 VOLUME OUTCOME STUDY GRP UROL CANC SURG 42319 0% 100% 2
8 M SCORE 33850 0% 40% 4
9 HEALTHCARE OUTCOMES POLICY 33616 1% 10% 16
10 VA OUTCOMES GRP 111B 29612 0% 20% 7

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 JAMA SURGERY 7783 1% 3% 14
2 JOURNAL OF GASTROINTESTINAL SURGERY 7451 3% 1% 38
3 MEDICAL CARE 7106 3% 1% 42
4 ANNALS OF SURGERY 7098 4% 1% 53
5 BRITISH JOURNAL OF SURGERY 4021 3% 0% 45
6 HPB 3848 1% 1% 14
7 JOURNAL OF THE AMERICAN COLLEGE OF SURGEONS 3483 2% 1% 29
8 SURGERY 3185 3% 0% 39
9 HEALTH SERVICES RESEARCH 2650 1% 1% 18
10 ANNALS OF SURGICAL ONCOLOGY 2458 2% 0% 29

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 HOSPITAL VOLUME 634784 5% 38% 79 Search HOSPITAL+VOLUME Search HOSPITAL+VOLUME
2 VOLUME OUTCOME RELATIONSHIP 396715 2% 63% 30 Search VOLUME+OUTCOME+RELATIONSHIP Search VOLUME+OUTCOME+RELATIONSHIP
3 VOLUME OUTCOME 287468 2% 54% 25 Search VOLUME+OUTCOME Search VOLUME+OUTCOME
4 SURGEON VOLUME 285057 2% 42% 32 Search SURGEON+VOLUME Search SURGEON+VOLUME
5 SURGICAL VOLUME 159668 1% 38% 20 Search SURGICAL+VOLUME Search SURGICAL+VOLUME
6 PROVIDER VOLUME 142821 1% 75% 9 Search PROVIDER+VOLUME Search PROVIDER+VOLUME
7 HIGH VOLUME HOSPITALS 111305 1% 48% 11 Search HIGH+VOLUME+HOSPITALS Search HIGH+VOLUME+HOSPITALS
8 MINIMUM VOLUMES 105797 0% 100% 5 Search MINIMUM+VOLUMES Search MINIMUM+VOLUMES
9 VOLUME OUTCOME EFFECTS 84637 0% 100% 4 Search VOLUME+OUTCOME+EFFECTS Search VOLUME+OUTCOME+EFFECTS
10 LOW VOLUME HOSPITALS 69243 0% 55% 6 Search LOW+VOLUME+HOSPITALS Search LOW+VOLUME+HOSPITALS

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 GRUEN, RL , PITT, V , GREEN, S , PARKHILL, A , CAMPBELL, D , JOLLEY, D , (2009) THE EFFECT OF PROVIDER CASE VOLUME ON CANCER MORTALITY SYSTEMATIC REVIEW AND META-ANALYSIS.CA-A CANCER JOURNAL FOR CLINICIANS. VOL. 59. ISSUE 3. P. 192-211 82 72% 100
2 ARCHAMPONG, D , BOROWSKI, D , WILLE-JORGENSEN, P , IVERSEN, LH , (2012) WORKLOAD AND SURGEON'S SPECIALTY FOR OUTCOME AFTER COLORECTAL CANCER SURGERY.COCHRANE DATABASE OF SYSTEMATIC REVIEWS. VOL. . ISSUE 3. P. - 65 60% 21
3 CHOWDHURY, MM , DAGASH, H , PIERRO, A , (2007) A SYSTEMATIC REVIEW OF THE IMPACT OF VOLUME OF SURGERY AND SPECIALIZATION ON PATIENT OUTCOME.BRITISH JOURNAL OF SURGERY. VOL. 94. ISSUE 2. P. 145-161 68 41% 221
4 DE CRUPPE, W , MALIK, M , GERAEDTS, M , (2015) MINIMUM VOLUME STANDARDS IN GERMAN HOSPITALS: DO THEY GET ALONG WITH PROCEDURE CENTRALIZATION? A RETROSPECTIVE LONGITUDINAL DATA ANALYSIS.BMC HEALTH SERVICES RESEARCH. VOL. 15. ISSUE . P. - 38 84% 1
5 MESMAN, R , WESTERT, GP , BERDEN, BJMM , FABER, MJ , (2015) WHY DO HIGH-VOLUME HOSPITALS ACHIEVE BETTER OUTCOMES? A SYSTEMATIC REVIEW ABOUT INTERMEDIATE FACTORS IN VOLUME-OUTCOME RELATIONSHIPS.HEALTH POLICY. VOL. 119. ISSUE 8. P. 1055 -1067 35 78% 6
6 HALM, EA , LEE, C , CHASSIN, MR , (2002) IS VOLUME RELATED TO OUTCOME IN HEALTH CARE? A SYSTEMATIC REVIEW AND METHODOLOGIC CRITIQUE OF THE LITERATURE.ANNALS OF INTERNAL MEDICINE. VOL. 137. ISSUE 6. P. 511-520 46 46% 898
7 GOOIKER, GA , VAN GIJN, W , WOUTERS, MWJM , POST, PN , VAN DE VELDE, CJH , TOLLENAAR, RAEM , (2011) SYSTEMATIC REVIEW AND META-ANALYSIS OF THE VOLUME-OUTCOME RELATIONSHIP IN PANCREATIC SURGERY.BRITISH JOURNAL OF SURGERY. VOL. 98. ISSUE 4. P. 485-494 33 75% 92
8 BOROWSKI, DW , BRADBURN, DM , MILLS, SJ , BHARATHAN, B , WILSON, RG , RATCLIFFE, AA , KELLY, SB , (2010) VOLUME-OUTCOME ANALYSIS OF COLORECTAL CANCER-RELATED OUTCOMES.BRITISH JOURNAL OF SURGERY. VOL. 97. ISSUE 9. P. 1416 -1430 35 73% 53
9 ESKANDER, A , MERDAD, M , IRISH, JC , HALL, SF , GROOME, PA , FREEMAN, JL , URBACH, DR , GOLDSTEIN, DP , (2014) VOLUME-OUTCOME ASSOCIATIONS IN HEAD AND NECK CANCER TREATMENT: A SYSTEMATIC REVIEW AND META-ANALYSIS.HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK. VOL. 36. ISSUE 12. P. 1820 -1834 30 83% 8
10 CRITCHLEY, RJ , BAKER, PN , DEEHAN, DJ , (2012) DOES SURGICAL VOLUME AFFECT OUTCOME AFTER PRIMARY AND REVISION KNEE ARTHROPLASTY? A SYSTEMATIC REVIEW OF THE LITERATURE.KNEE. VOL. 19. ISSUE 5. P. 513-518 36 73% 10

Classes with closest relation at Level 1


Rank Class id link
1 18177 OPTIMAL PATIENT CARE//SURGICAL QUALITY IMPROVEMENT//NSQIP
2 8259 ADMINISTRATIVE DATA//RISK ADJUSTMENT//PATIENT SAFETY INDICATORS
3 22702 JULY EFFECT//JULY PHENOMENON//RESIDENT INVOLVEMENT
4 30166 SPECIALTY HOSPITALS//PHYSICIAN OWNERSHIP//AMBULATORY SURGERY CENTER
5 18775 SURGICAL BACKUP//SECC HEMODINAM CARDIOL INTERVENCIONISTA//BNK
6 8968 PUBLIC REPORTING//REPORT CARDS//PROVIDER PROFILING
7 13207 MASTECTOMY//BREAST CONSERVING SURGERY//EXTERNAL BREAST PROSTHESIS
8 17918 PAEDIAT CARDIOL DIRECTORATE//CHILDRENS HOSP TAMPA//CHIFCSA MED
9 17475 GERMAN CANCER SOCIETY//BREAST CENTER//QUALITY INDICATORS
10 11519 P POSSUM//POSSUM//SURGICAL AUDIT

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