Class information for:
Level 1: PERFORATED PEPTIC ULCER//PEPTIC ULCER PERFORATION//PERFORATED DUODENAL ULCER

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
20 4 UROLOGY & NEPHROLOGY//GASTROENTEROLOGY & HEPATOLOGY//UROL 479829
138 3       HELICOBACTER PYLORI//GASTROENTEROLOGY & HEPATOLOGY//GASTROESOPHAGEAL REFLUX DISEASE 66701
3049 2             PERFORATED PEPTIC ULCER//PEPTIC ULCER PERFORATION//DUODENAL ULCER 2645
11336 1                   PERFORATED PEPTIC ULCER//PEPTIC ULCER PERFORATION//PERFORATED DUODENAL ULCER 1016

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PERFORATED PEPTIC ULCER authKW 1170480 4% 88% 43
2 PEPTIC ULCER PERFORATION authKW 731773 3% 69% 34
3 PERFORATED DUODENAL ULCER authKW 414723 2% 70% 19
4 OMENTAL PATCH authKW 288711 1% 85% 11
5 SIMPLE CLOSURE authKW 198518 1% 80% 8
6 PEPTIC ULCER authKW 137789 7% 6% 75
7 DUODENAL ULCER authKW 131361 7% 6% 67
8 GIANT DUODENAL ULCER authKW 129244 0% 83% 5
9 DUODENAL ULCER PERFORATION authKW 126655 1% 58% 7
10 PERFORATED ULCER authKW 124068 1% 50% 8

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Gastroenterology & Hepatology 8067 27% 0% 271
2 Surgery 7211 45% 0% 459
3 Medicine, General & Internal 1009 16% 0% 160
4 Emergency Medicine 180 2% 0% 20
5 Public, Environmental & Occupational Health 86 5% 0% 53
6 Tropical Medicine 10 1% 0% 7
7 Social Sciences, Biomedical 6 0% 0% 5
8 Geriatrics & Gerontology 5 1% 0% 7
9 Health Care Sciences & Services 4 1% 0% 9
10 Health Policy & Services 4 1% 0% 6

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CLIN GEN PLAST SURG 62038 0% 100% 2
2 CLIN INTERNAL OCCUPAT DIS 39878 0% 43% 3
3 ABT ALLGEMEINE CHIRURG VISZERAL GEFAS IRURG 31019 0% 100% 1
4 ADAK LEHRKRANKENHAUS 31019 0% 100% 1
5 ARDAULIN 31019 0% 100% 1
6 BUHARA CAD 31019 0% 100% 1
7 CLIN GEN PLAST SURG ORTHOPAED TRAUMA SURG 31019 0% 100% 1
8 CLIN GEN PLAST SURG ORTHOPAED TRAUMATOL 31019 0% 100% 1
9 CTY EMERGENCY HOSP SF SPIRIDON 31019 0% 100% 1
10 DIGEST DISZHONGNAN HOSP ALLERGY 31019 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY 6914 5% 0% 47
2 JOURNAL OF URBAN ANALYSIS 5168 0% 17% 1
3 BRITISH JOURNAL OF SURGERY 4171 4% 0% 38
4 WORLD JOURNAL OF SURGERY 3954 3% 0% 33
5 WORLD JOURNAL OF EMERGENCY SURGERY 3649 1% 2% 7
6 AMERICAN SURGEON 3329 3% 0% 31
7 DIGESTIVE SURGERY 2346 1% 1% 11
8 JOURNAL OF CLINICAL GASTROENTEROLOGY 2284 2% 0% 21
9 JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY 1985 2% 0% 21
10 SURGICAL ENDOSCOPY-ULTRASOUND AND INTERVENTIONAL TECHNIQUES 1783 1% 1% 7

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PERFORATED PEPTIC ULCER 1170480 4% 88% 43 Search PERFORATED+PEPTIC+ULCER Search PERFORATED+PEPTIC+ULCER
2 PEPTIC ULCER PERFORATION 731773 3% 69% 34 Search PEPTIC+ULCER+PERFORATION Search PEPTIC+ULCER+PERFORATION
3 PERFORATED DUODENAL ULCER 414723 2% 70% 19 Search PERFORATED+DUODENAL+ULCER Search PERFORATED+DUODENAL+ULCER
4 OMENTAL PATCH 288711 1% 85% 11 Search OMENTAL+PATCH Search OMENTAL+PATCH
5 SIMPLE CLOSURE 198518 1% 80% 8 Search SIMPLE+CLOSURE Search SIMPLE+CLOSURE
6 PEPTIC ULCER 137789 7% 6% 75 Search PEPTIC+ULCER Search PEPTIC+ULCER
7 DUODENAL ULCER 131361 7% 6% 67 Search DUODENAL+ULCER Search DUODENAL+ULCER
8 GIANT DUODENAL ULCER 129244 0% 83% 5 Search GIANT+DUODENAL+ULCER Search GIANT+DUODENAL+ULCER
9 DUODENAL ULCER PERFORATION 126655 1% 58% 7 Search DUODENAL+ULCER+PERFORATION Search DUODENAL+ULCER+PERFORATION
10 PERFORATED ULCER 124068 1% 50% 8 Search PERFORATED+ULCER Search PERFORATED+ULCER

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 23460 IDIOPATHIC PEPTIC ULCER//PEPTIC ULCER//IDIOPATHIC ULCER
2 12865 HIGHLY SELECTIVE VAGOTOMY//RECURRENT ULCER//LAPAROSCOPIC VAGOTOMY
3 31188 TYPHOID PERFORATION//ENTERIC PERFORATION//TYPHOID INTESTINAL PERFORATION
4 22827 PNEUMOPERITONEUM//TENSION PNEUMOPERITONEUM//POSTOPERATIVE PNEUMOPERITONEUM
5 2379 UPPER GASTROINTESTINAL BLEEDING//PEPTIC ULCER BLEEDING//ENDOSCOPIC HEMOSTASIS
6 2486 LOW DOSE ASPIRIN//NON STEROIDAL ANTI INFLAMMATORY DRUGS//NSAIDS
7 2750 SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY//DUODENAL ULCER//GASTROENTEROLOGY & HEPATOLOGY
8 26028 GASTRIC DIVERTICULUM//POTENT ANTIMICROBIALS//GASTRIC DIVERTICULA
9 33926 ART IN MEDICINE//BENIN AFRICA//CATARACT SURGERY HISTORY
10 27975 GASTRIC SURFACTANT//GASTRIC MUCOSAL BARRIER//MUCOSAL BARRIER

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