Class information for:
Level 1: HELICOBACTER PYLORI//UREA BREATH TEST//C 13 UREA BREATH TEST

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
187 3915 31.4 80%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
271 18546 HELICOBACTER PYLORI//HELICOBACTER//CAGA

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of publ.
in class
1 HELICOBACTER PYLORI Author keyword 261 15% 41% 1614
2 UREA BREATH TEST Author keyword 111 60% 3% 120
3 C 13 UREA BREATH TEST Author keyword 109 69% 2% 94
4 STOOL ANTIGEN TEST Author keyword 105 89% 1% 48
5 RAPID UREASE TEST Author keyword 81 75% 2% 59
6 UREASE TEST Author keyword 46 75% 1% 33
7 HELICOBACTER Journal 37 17% 5% 200
8 NODULAR GASTRITIS Author keyword 36 83% 1% 20
9 CLO TEST Author keyword 30 84% 0% 16
10 STOOL ANTIGEN Author keyword 27 78% 0% 18

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of publ.
in class		 LCSH search Wikipedia search
1 HELICOBACTER PYLORI 261 15% 41% 1614 Search HELICOBACTER+PYLORI Search HELICOBACTER+PYLORI
2 UREA BREATH TEST 111 60% 3% 120 Search UREA+BREATH+TEST Search UREA+BREATH+TEST
3 C 13 UREA BREATH TEST 109 69% 2% 94 Search C+13+UREA+BREATH+TEST Search C+13+UREA+BREATH+TEST
4 STOOL ANTIGEN TEST 105 89% 1% 48 Search STOOL+ANTIGEN+TEST Search STOOL+ANTIGEN+TEST
5 RAPID UREASE TEST 81 75% 2% 59 Search RAPID+UREASE+TEST Search RAPID+UREASE+TEST
6 UREASE TEST 46 75% 1% 33 Search UREASE+TEST Search UREASE+TEST
7 NODULAR GASTRITIS 36 83% 1% 20 Search NODULAR+GASTRITIS Search NODULAR+GASTRITIS
8 CLO TEST 30 84% 0% 16 Search CLO+TEST Search CLO+TEST
9 STOOL ANTIGEN 27 78% 0% 18 Search STOOL+ANTIGEN Search STOOL+ANTIGEN
10 C 14 UREA BREATH TEST 24 67% 1% 22 Search C+14+UREA+BREATH+TEST Search C+14+UREA+BREATH+TEST

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 CAMPYLOBACTER PYLORI 217 26% 18% 716
2 GASTRITIS 159 26% 13% 522
3 C 13 UREA BREATH TEST 151 55% 5% 188
4 UREA BREATH TEST 125 60% 3% 135
5 STOOL ANTIGEN TEST 106 75% 2% 76
6 RAPID UREASE TEST 90 77% 2% 61
7 NONINVASIVE TESTS 79 58% 2% 91
8 C 13 UREA 67 85% 1% 35
9 HPSA 65 95% 1% 21
10 GASTRIC BIOPSY 49 79% 1% 31

Journals


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 HELICOBACTER 37 17% 5% 200

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Helicobacter pylori detection and antimicrobial susceptibility testing 2007 219 520 62%
Helicobacter pylori: Epidemiology and routes of transmission 2000 329 177 79%
Review article: C-13-urea breath test in the diagnosis of Helicobacter pylori infection - a critical review 2004 124 108 93%
Diagnosis and Epidemiology of Helicobacter pylori Infection 2013 24 34 68%
Prevalence of Helicobacter pylori Infection Worldwide: A Systematic Review of Studies with National Coverage 2014 12 55 45%
Accuracy of monoclonal stool antigen test for the diagnosis of H-pylori infection: A systematic review and meta-analysis 2006 79 33 85%
Epidemiology of Helicobacter pylori Infection 2014 8 25 56%
Helicobacter pylori: a poor man's gut pathogen? 2010 31 119 90%
Helicobacter pylori diagnostic tests in children: review of the literature from 1999 to 2009 2010 32 110 85%
Stool antigen test for the diagnosis of Helicobacter pylori infection: a systematic review 2004 83 87 95%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ.
in class
1 UNIV PARC TAULI MED 4 67% 0.1% 4
2 SACHS PEDIAT 4 75% 0.1% 3
3 UIMY 4 75% 0.1% 3
4 DIAGNOST REAGENTS 3 50% 0.1% 4
5 RIGSHOSP CLIN MICROBIOL 3 60% 0.1% 3
6 UNIDAD MED ALTA ESPECIALIDAD MERIDA 3 60% 0.1% 3
7 FAMEMA BLOOD 2 67% 0.1% 2
8 UNIDADE GASTRENTEROL 2 67% 0.1% 2
9 WATER SERV UNIT 2 67% 0.1% 2
10 NHMRC HELICOBACTER PYLORI 2 50% 0.1% 3

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000172290 HELICOBACTER PYLORI//QUADRUPLE THERAPY//CLARITHROMYCIN RESISTANCE
2 0.0000159514 EXTRAGASTRIC DISEASES//EXTRAGASTRIC DISEASE//PULM MED 9
3 0.0000157287 GASTRIC METAPLASIA//DUODENAL GASTRIC METAPLASIA//PARIETAL INDEX
4 0.0000156741 ATROPHIC GASTRITIS//INTESTINAL METAPLASIA//PEPSINOGEN
5 0.0000125318 POLYGLYCOSYLCERAMIDES//SIALIC ACID SPECIFICITY//PHARMACEUT BIOL PHYTOCHEM
6 0.0000124201 CAGA//VACA//HELICOBACTER PYLORI
7 0.0000112888 HELICOBACTER HEILMANNII//HELICOBACTER SPP//HELICOBACTER
8 0.0000102272 IDIOPATHIC PEPTIC ULCER//DUODENAL PEPTIC ULCER//ATTITUDE TO THE DISEASE
9 0.0000100737 NIKR//UREI//UREA CHANNEL
10 0.0000086839 LG21//MUSCADINE GRAPE SKIN//SECT BIOMEMBRANES