University, Subject, Country, Region, World
Imperial College London 34 Scientists Subject Rankings - 2025
The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 197 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 6 years. As of Jan 30, 2025, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (873.690) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Total H IndexRankings
Ranking Based On Selection: 1
Surgery
Metrics
H-Index
i10 Index
Citation Counts
164
1,312
118,029
* Total H IndexRankings
Ranking Based On Selection: 2
Colorectal cancer
Anal Cancer
Inflammatory bowel disease
Diverticular disease
Metrics
H-Index
i10 Index
Citation Counts
116
387
42,330
* Total H IndexRankings
Ranking Based On Selection: 3
Surgery
Laparoscopic surgery
oesophago-gastric cancer
volatile organic compounds
Metrics
H-Index
i10 Index
Citation Counts
84
333
26,603
* Total H IndexRankings
Ranking Based On Selection: 4
Surgery
Cancer
Metrics
H-Index
i10 Index
Citation Counts
75
214
18,852
* Total H IndexRankings
Ranking Based On Selection: 5
surgery
obesity
artificial intelligence
philosophy
diabetes
Metrics
H-Index
i10 Index
Citation Counts
73
285
24,790
* Total H IndexRankings
Ranking Based On Selection: 6
surgery
robotics
digital health
AI & ML in healthcare
obesity
Metrics
H-Index
i10 Index
Citation Counts
62
154
13,942
* Total H IndexRankings
Ranking Based On Selection: 7
Endoscopy
Surgical Imaging
Polarization-resolved Endoscopy
Multispectral Endoscopy
Image-Guided Intervention
Metrics
H-Index
i10 Index
Citation Counts
52
135
9,826
* Total H IndexRankings
Ranking Based On Selection: 8
bariatric surgery
microbial function
colon cancer
diet
Metrics
H-Index
i10 Index
Citation Counts
40
77
9,545
* Total H IndexRankings
Ranking Based On Selection: 9
Colorectal Cancer
Pelvic exenterative surgery
Robotic Surgery
Pelvic floor disorders
Metrics
H-Index
i10 Index
Citation Counts
39
114
7,648
* Total H IndexRankings
Ranking Based On Selection: 10
Colorectal Cancer
Colorectal Surgery
Medical leadership and management
hernia and abdominal wall reconstruction
Metrics
H-Index
i10 Index
Citation Counts
37
90
10,294
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* Total H IndexRankings
Ranking Based On Selection: 11
HPB Surgery
Liver and Pancreatic Cancer
Metrics
H-Index
i10 Index
Citation Counts
35
64
6,821
* Total H IndexRankings
Ranking Based On Selection: 12
Surgical innovation
Cognitive load assessment
Neural Engineering Brain computer Interfaces
Machine learning Artificial intell
Metrics
H-Index
i10 Index
Citation Counts
34
125
6,746
* Total H IndexRankings
Ranking Based On Selection: 13
Trauma
Acute Care Surgery
Damage Control Resuscitation
General Surgery
Metrics
H-Index
i10 Index
Citation Counts
30
67
4,405
* Total H IndexRankings
Ranking Based On Selection: 14
Surgical epidemiology
Colorectal Surgery
Surgical Quality
Metrics
H-Index
i10 Index
Citation Counts
29
51
3,636
* Total H IndexRankings
Ranking Based On Selection: 15
Colorectal surgery
Neurogastroenterology
Metrics
H-Index
i10 Index
Citation Counts
27
36
2,876
* Total H IndexRankings
Ranking Based On Selection: 16
Colorectal Cancer Diagnostics & Imaging
Colorectal Surgery
Trauma & Emergency Surgery
Metrics
H-Index
i10 Index
Citation Counts
25
39
2,087
* Total H IndexRankings
Ranking Based On Selection: 17
Surgery
Patient Safety
Simulation
Technology
mHealth
Metrics
H-Index
i10 Index
Citation Counts
23
36
8,342
* Total H IndexRankings
Ranking Based On Selection: 18
Surgery
Metrics
H-Index
i10 Index
Citation Counts
21
35
1,807
* Total H IndexRankings
Ranking Based On Selection: 19
Surgery
Anaesthesia
Cancer
Metrics
H-Index
i10 Index
Citation Counts
20
24
2,414
* Total H IndexRankings
Ranking Based On Selection: 20
Surgery
General Surgery
Surgical Technology
Medicine
Cancer
Metrics
H-Index
i10 Index
Citation Counts
20
27
5,661
* Total H IndexRankings
Ranking Based On Selection: 21
Surgery
Metrics
H-Index
i10 Index
Citation Counts
20
30
3,534
* Total H IndexRankings
Ranking Based On Selection: 22
Metrics
H-Index
i10 Index
Citation Counts
19
28
1,769
* Total H IndexRankings
Ranking Based On Selection: 23
Surgery
Metrics
H-Index
i10 Index
Citation Counts
19
21
1,894
* Total H IndexRankings
Ranking Based On Selection: 24
Colorectal Surgery
Colorectal cancer
Biomarkers
Novel therapeutics.
Metrics
H-Index
i10 Index
Citation Counts
18
23
1,033
* Total H IndexRankings
Ranking Based On Selection: 25
Surgery
Laparoscopy
Outcome
Metrics
H-Index
i10 Index
Citation Counts
18
21
2,174
Ara Darzi
Metrics
H-Index
i10-Index
Citation Counts
164
1,312
118,029
Paris Tekkis
Metrics
H-Index
i10-Index
Citation Counts
116
387
42,330
Colorectal cancer
Anal Cancer
Inflammatory bowel disease
Diverticular disease
George B Hanna
Metrics
H-Index
i10-Index
Citation Counts
84
333
26,603
Surgery
Laparoscopic surgery
oesophago-gastric cancer
volatile organic compounds
Sheraz Markar
Metrics
H-Index
i10-Index
Citation Counts
75
214
18,852
Hutan Ashrafian
Metrics
H-Index
i10-Index
Citation Counts
73
285
24,790
surgery
obesity
artificial intelligence
philosophy
diabetes
Sanjay Purkayastha
Metrics
H-Index
i10-Index
Citation Counts
62
154
13,942
surgery
robotics
digital health
AI & ML in healthcare
obesity
Dan S Elson
Metrics
H-Index
i10-Index
Citation Counts
52
135
9,826
Endoscopy
Surgical Imaging
Polarization-resolved Endoscopy
Multispectral Endoscopy
Image-Guided Intervention
Jia Li
Metrics
H-Index
i10-Index
Citation Counts
40
77
9,545
bariatric surgery
microbial function
colon cancer
diet
Christos Kontovounisios
Metrics
H-Index
i10-Index
Citation Counts
39
114
7,648
Colorectal Cancer
Pelvic exenterative surgery
Robotic Surgery
Pelvic floor disorders
Oliver Warren
Metrics
H-Index
i10-Index
Citation Counts
37
90
10,294
Colorectal Cancer
Colorectal Surgery
Medical leadership and management
hernia and abdominal wall reconstruction
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!
Madhava Pai
Metrics
H-Index
i10-Index
Citation Counts
35
64
6,821
HPB Surgery
Liver and Pancreatic Cancer
Harsimrat Singh
Metrics
H-Index
i10-Index
Citation Counts
34
125
6,746
Surgical innovation
Cognitive load assessment
Neural Engineering Brain computer Interfaces
Machine learning Artificial intell
Mansoor Khan
Metrics
H-Index
i10-Index
Citation Counts
30
67
4,405
Trauma
Acute Care Surgery
Damage Control Resuscitation
General Surgery
Elaine Burns
Metrics
H-Index
i10-Index
Citation Counts
29
51
3,636
Surgical epidemiology
Colorectal Surgery
Surgical Quality
Emma V Carrington
Metrics
H-Index
i10-Index
Citation Counts
27
36
2,876
Colorectal surgery
Neurogastroenterology
Nigel D Souza
Metrics
H-Index
i10-Index
Citation Counts
25
39
2,087
Colorectal Cancer Diagnostics & Imaging
Colorectal Surgery
Trauma & Emergency Surgery
Max Johnston
Metrics
H-Index
i10-Index
Citation Counts
23
36
8,342
Surgery
Patient Safety
Simulation
Technology
mHealth
Ankur Khajuria
Metrics
H-Index
i10-Index
Citation Counts
21
35
1,807
Shobhit Arya
Metrics
H-Index
i10-Index
Citation Counts
20
27
5,661
Surgery
General Surgery
Surgical Technology
Medicine
Cancer
Mátyás Fehérvári
Metrics
H-Index
i10-Index
Citation Counts
20
30
3,534
Christoph Kittl
Metrics
H-Index
i10-Index
Citation Counts
19
28
1,769
Alex Almoudaris
Metrics
H-Index
i10-Index
Citation Counts
19
21
1,894
Shengyang Qiu
Metrics
H-Index
i10-Index
Citation Counts
18
23
1,033
Colorectal Surgery
Colorectal cancer
Biomarkers
Novel therapeutics.
Ravikrishna Mamidanna
Metrics
H-Index
i10-Index
Citation Counts
18
21
2,174
Surgery
Laparoscopy
Outcome