Dirk L. Knol

52.2k citations

308 papers · 36.3k indexed · 10 hit papers · h-index 72

Impact in

Psychiatry and Mental health top 0.05%
- Cerebral Palsy and Movement Disorders
- Dementia and Cognitive Impairment Research
Pharmacology top 0.02%
- Musculoskeletal pain and rehabilitation

Papers in

Pathology and Forensic Medicine 63
- Multiple Sclerosis Research Studies 39
- Spine and Intervertebral Disc Pathology 15
Psychiatry and Mental health 52
- Dementia and Cognitive Impairment Research 25

Co-authors: Henrica C. W. de Vet Caroline B. Terwee L.M. Bouter Lidwine B. Mokkink Joost Dekker Michiel R. de Boer Sandra D.M. Bot Daniëlle van der Windt
Journals: Journal of Clinical Epidemiology (16 papers)Radiology (10 papers)Quality of Life Research (9 papers)Spine (9 papers)American Journal of Neuroradiology (8 papers)
Partner nations: Netherlands United States United Kingdom

In The Last Decade

Dirk L. Knol

305 papers receiving 35.6k citations

Hit Papers

10 papers align trajectories log scale

Measurement in Medicine 2011 · 1.6k citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2011 Cambridge University Press eBooks
2011 Quality of Life Research
2011 Pure Amsterdam UMC
2010 Quality of Life Research
2010 Journal of Clinical Epidemiology
2010 Journal of Clinical Epidemiology
2010 BMC Medical Research Methodology
2006 Health and Quality of Life Outcomes
2006 Journal of Clinical Epidemiology
2006 Journal of Clinical Epidemiology

Peers

Replace Caroline B. Terwee with:

Caroline B. Terwee Netherlands

Joost Dekker Netherlands

Claire Bombardier Canada

Daniëlle van der Windt United Kingdom

Cathy D. Sherbourne United States

Donald L. Patrick United States

John E. Ware United States

Henrica C. W. de Vet Netherlands

Jordi Alonso Spain

Françis Guillemin France

Dirk L. Knol relative to Caroline B. Terwee Netherlands Caroline B. Terwee's profile →

Citations per field

00.5×1.5×

Caroline B. Terwee · 1×

×0.9 7k/7k

PMH

×0.8 6k/7k

PHARM

×0.8 2k/3k

REHAB

×0.7 2k/3k

OSM

×0.8 1k/2k

PTSTR

Citations per year

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2026

Countries citing papers authored by Dirk L. Knol

Since Specialization

Citations

This map shows the geographic impact of Dirk L. Knol's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Dirk L. Knol with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Dirk L. Knol more than expected).

Fields of papers citing papers by Dirk L. Knol

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Dirk L. Knol. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Dirk L. Knol. The network helps show where Dirk L. Knol may publish in the future.

Co-authors

The 25 scholars most cited alongside Dirk L. Knol, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Dirk L. Knol Line = papers co-authored together Dirk L. Knol links everyone, so they are left out of the graph.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work
1	Transforaminal epidural steroid injections influence Mechanical Diagnosis and Therapy (MDT) pain response classification in candidates for lumbar herniated disc surgery Journal of Back and Musculoskeletal Rehabilitation ·Hans van Helvoirt, Adri T. Apeldoorn, Dirk L. Knol, Mark P. Arts, Steven J. Kamper, Maurits W. van Tulder, Raymond Ostelo	2016	12
2	Effects of a Dual Sensory Loss Protocol on Hearing Aid Outcomes Ear and Hearing ·Hilde L. Vreeken, Ger H. M. B. van Rens, Sophia E. Kramer, Dirk L. Knol, Ruth M. A. van Nispen	2015	12
3	Spoken language comprehension of phrases, simple and compound‐active sentences in non‐speaking children with severe cerebral palsy International Journal of Language & Communication Disorders ·Johanna Geytenbeek, Margriet J. M. Heim, Dirk L. Knol, R. Jeroen Vermeulen, Kim J. Oostrom	2015	13
4	Hands4U: the effects of a multifaceted implementation strategy on hand eczema prevalence in a healthcare setting. Results of a randomized controlled trial Contact Dermatitis ·Esther W. C. van der Meer, Cécile R. L. Boot, Joost W. J. van der Gulden, Dirk L. Knol, Frank Jungbauer, Pieter Jan Coenraads, Johannes R. Anema	2014	25
5	Effectiveness of the palliative care ‘Availability, Current issues and Anticipation’ (ACA) communication training programme for general practitioners on patient outcomes: A controlled trial Palliative Medicine ·Willemjan Slort, Annette H. Blankenstein, B. Schweitzer, Dirk L. Knol, Henriëtte E. van der Horst, Neil K. Aaronson, Luc Deliëns	2014	12
6	Variability of CSF Alzheimer’s Disease Biomarkers: Implications for Clinical Practice PLoS ONE ·Stephanie J. B. Vos, Pieter Jelle Visser, Frans R.J. Verhey, Pauline Aalten, Dirk L. Knol, Inez H.G.B. Ramakers, Philip Scheltens, Marcel G. M. Olde Rikkert, Marcel M. Verbeek, Charlotte E. Teunissen	2014	68
7	Longitudinal observation, evaluation and interpretation of coping with mental (emotional) health in low vision rehabilitation using the Dutch ICF Activity Inventory Health and Quality of Life Outcomes ·Janna Bruijning, Ger HMB van Rens, Mark Fick, Dirk L. Knol, Ruth M. A. van Nispen	2014	16
8	Effectiveness of the ACA (Availability, Current issues and Anticipation) training programme on GP-patient communication in palliative care; a controlled trial BMC Family Practice ·Willemjan Slort, Annette H. Blankenstein, B. Schweitzer, Dirk L. Knol, Luc Deliëns, Neil K. Aaronson, Henriëtte E. van der Horst	2013	12
9	Mediators of the effect of the JUMP-in intervention on physical activity and sedentary behavior in Dutch primary schoolchildren from disadvantaged neighborhoods International Journal of Behavioral Nutrition and Physical Activity ·Maartje M. van Stralen, Judith de Meij, Saskia J. te Velde, Marcel F. van der Wal, Willem van Mechelen, Dirk L. Knol, Mai J. M. Chinapaw	2012	19
10	Imaging the tip of the iceberg: visualization of cortical lesions in multiple sclerosis Multiple Sclerosis Journal ·Alexandra Seewann, Hugo Vrenken, Evert‐Jan Kooi, Paul van der Valk, Dirk L. Knol, Chris H. Polman, Petra J. W. Pouwels, Frederik Barkhof, Jeroen J.G. Geurts	2011	88
11	Clinical scales in progressive MS: predicting long-term disability Multiple Sclerosis Journal ·Libertje VAE Bosma, Jolijn J Kragt, Dirk L. Knol, Chris H. Polman, Bernard M.J. Uitdehaag	2011	25
12	Is a Behavioral Graded Activity Program More Effective Than Manual Therapy in Patients With Subacute Neck Pain? Spine ·Jan Pool, Raymond Ostelo, Dirk L. Knol, Johan W.S. Vlaeyen, L.M. Bouter, Henrica C. W. de Vet	2010	53
13	What Works Best for Whom? Spine ·Ivan Steenstra, Dirk L. Knol, Paulien M. Bongers, Johannes R. Anema, Willem van Mechelen, Henrica C. W. de Vet	2009	43
14	Diffusely Abnormal White Matter in Progressive Multiple Sclerosis: In Vivo Quantitative MR Imaging Characterization and Comparison between Disease Types American Journal of Neuroradiology ·Hugo Vrenken, Alexandra Seewann, Dirk L. Knol, Chris H. Polman, Frederik Barkhof, Jeroen J.G. Geurts	2009	45
15	Decision‐making in ADHD: sensitive to frequency but blind to the magnitude of penalty? Journal of Child Psychology and Psychiatry ·Marjolein Luman, Jaap Oosterlaan, Dirk L. Knol, Joseph A. Sergeant	2008	55
16	Workers’ Beliefs and Expectations Affect Return to Work Over 12 Months Journal of Occupational Rehabilitation ·Martijn W. Heymans, Henrica C. W. de Vet, Dirk L. Knol, Paulien M. Bongers, Bart W. Koes, Willem van Mechelen	2006	91
17	Prognostic Factors for Low Back Pain in Patients Referred for Physiotherapy Spine ·Geertruida E Bekkering, H. Jurgens Hendriks, Maurits W. van Tulder, Dirk L. Knol, Maureen J. Simmonds, R.A.B. Oostendorp, L.M. Bouter	2005	66
18	Retinoblastoma: MR Imaging Parameters in Detection of Tumor Extent Radiology ·Pim de Graaf, Frederik Barkhof, Annette C. Moll, Saskia M. Imhof, Dirk L. Knol, Paul van der Valk, Jonas A. Castelijns	2005	75
19	Differential item functioning of the functional independence measure in higher performing neurological patients Journal of Rehabilitation Medicine ·Annet J. Dallmeijer, Joost Dekker, Leo D. Roorda, Dirk L. Knol, B. van Baalen, Vincent de Groot, Vera Schepers, Gustaaf J. Lankhorst	2005	31
20	The value of the Rehabilitation Activities Profile (RAP) as a quality sub-system in rehabilitation medicine Disability and Rehabilitation ·Heleen Beckerman, Eline E Roelofsen, Dirk L. Knol, Gustaaf J. Lankhorst	2004	15

About Dirk L. Knol

Dirk L. Knol is a scholar working on Pathology and Forensic Medicine, Psychiatry and Mental health, Occupational Therapy, Pharmacology and Rheumatology, having authored 308 papers that have together received 36.3k indexed citations. Recurring topics across this work include Musculoskeletal pain and rehabilitation (54 papers), Multiple Sclerosis Research Studies (39 papers), Dementia and Cognitive Impairment Research (25 papers), Health Systems, Economic Evaluations, Quality of Life (20 papers), Osteoarthritis Treatment and Mechanisms (17 papers), Rheumatoid Arthritis Research and Therapies (15 papers), Spine and Intervertebral Disc Pathology (15 papers) and Ophthalmology and Visual Impairment Studies (14 papers). The work is most often cited by research in Psychiatry and Mental health (6.7k citations), Pharmacology (5.9k citations), Rehabilitation (2.2k citations), Orthopedics and Sports Medicine (2.5k citations) and Physical Therapy, Sports Therapy and Rehabilitation (1.2k citations). Dirk L. Knol has collaborated with scholars based in Netherlands, United States and United Kingdom. Frequent co-authors include Henrica C. W. de Vet, Caroline B. Terwee, L.M. Bouter, Lidwine B. Mokkink, Joost Dekker, Michiel R. de Boer, Sandra D.M. Bot, Daniëlle van der Windt, Jordi Alonso and Paul W. Stratford. Their work appears in journals such as Journal of Clinical Epidemiology, Radiology, Quality of Life Research, Spine and American Journal of Neuroradiology.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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