Total 2,393,018 scientists, country 221, and institutions 24,453 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 1
Gastroenterology
Medicine
Evidence Based Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
380
256
0.674
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 2
gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
179
145
0.810
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 3
Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
267
116
0.434
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 4
gastroenterology
microbiota-gut brain axis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
132
107
0.811
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 5
Gastroenterology
Second interest
...
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
364
105
0.288
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 6
Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
256
101
0.395
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 7
gastrointestinal motility
interstitial cells of Cajal
autonomic nervous system
gastroenterology
neurogastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
201
79
0.393
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 8
Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
63
0.700
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 9
Evidence-Based Gastroenterology
Meta-analysis
Advanced Endoscopy
Upper GI malignant and pre-malignant pathologies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
38
0.792
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 10
Neurogastroenterology and motility
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
23
0.719
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 11
Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
22
0.957
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 12
digestive diseases
gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
19
0.731
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 13
gastroenterology
neurophysiology
behaviour
gut-brain axis
aging
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 14
Gastroenterology
NSAIDs
Helicobacter
Pharmacology
Immunology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
5
0.278
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 15
Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
5
0.385
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 16
Gastroenterology
Pharmacology
Physiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 17
Gastroenterology
Endoscopy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Moayyedi Paul
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
380
256
0.674
Gastroenterology
Medicine
Evidence Based Medicine
Elena F Verdu
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
179
145
0.810
Stephen M Collins
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
267
116
0.434
Bercik Premysl
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
132
107
0.811
gastroenterology
microbiota-gut brain axis
Richard Hunt
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
364
105
0.288
Gastroenterology
Second interest
...
David Armstrong
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
256
101
0.395
Jan D Huizinga
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
201
79
0.393
gastrointestinal motility
interstitial cells of Cajal
autonomic nervous system
gastroenterology
neurogastroenterology
Grigorios I Leontiadis
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
63
0.700
M Yaghoobi
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
38
0.792
Evidence-Based Gastroenterology
Meta-analysis
Advanced Endoscopy
Upper GI malignant and pre-malignant pathologies
Jihong Chen Md
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
23
0.719
Neurogastroenterology and motility
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Huaqing Wang
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
22
0.957
Bj Salena
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
19
0.731
digestive diseases
gastroenterology
Christine West
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
gastroenterology
neurophysiology
behaviour
gut-brain axis
aging
Ireneusz Padol
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
5
0.278
Gastroenterology
NSAIDs
Helicobacter
Pharmacology
Immunology
Subhas Chandra Ganguli
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
5
0.385
Amer Hussain
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Gastroenterology
Pharmacology
Physiology
Kayla Dadgar
McMaster University
Hamilton, Canada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Gastroenterology
Endoscopy