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J. Ranstam · SciRah

Researcher profile · Semantic Scholar

J. Ranstam

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J. Ranstam — researcher profile on SciRah

h-index: 66
Works: 351
Citations: 23K

Most-cited papers

LASSO regression
J. Ranstam, J. Cook
2018British Journal of Surgery961 citations
Semantic Scholar
Treatment for acute anterior cruciate ligament tear: five year outcome of randomised trial
R. Frobell, H. Roos, E. Roos, F. Roemer +2 more
2013British medical journal486 citations Open access
Semantic Scholar
Exercise therapy versus arthroscopic partial meniscectomy for degenerative meniscal tear in middle aged patients: randomised controlled trial with two year follow-up
N. Kise, M. Risberg, S. Stensrud, J. Ranstam +2 more
2016British Journal of Sports Medicine313 citations Open access
Semantic Scholar
Balloon kyphoplasty for the treatment of acute vertebral compression fractures: 2‐year results from a randomized trial
S. Boonen, J. V. Van Meirhaeghe, L. Bastian, Steve R. Cummings +5 more
2011Journal of Bone and Mineral Research260 citations Open access
Semantic Scholar
The Swedish Knee Arthroplasty Register
O. Robertsson, J. Ranstam, M. Sundberg, Annette W-Dahl +1 more
2014Bone & Joint Research217 citations Open access
Semantic Scholar
Failure rate of cemented and uncemented total hip replacements: register study of combined Nordic database of four nations
K. Mäkelä, M. Matilainen, P. Pulkkinen, A. Fenstad +10 more
2014British medical journal200 citations Open access
Semantic Scholar
Multiple P-values and Bonferroni correction.
J. Ranstam
2016Osteoarthritis and Cartilage178 citations Open access
Semantic Scholar
Subacromial decompression versus diagnostic arthroscopy for shoulder impingement: randomised, placebo surgery controlled clinical trial
M. Paavola, A. Malmivaara, S. Taimela, Kari J. Kanto +6 more
2018British medical journal165 citations Open access
Semantic Scholar
A Randomized Trial of Balloon Kyphoplasty and Nonsurgical Management for Treating Acute Vertebral Compression Fractures
J. V. Van Meirhaeghe, L. Bastian, S. Boonen, J. Ranstam +2 more
2013Spine141 citations Open access
Semantic Scholar
Countrywise results of total hip replacement
K. Mäkelä, M. Matilainen, P. Pulkkinen, A. Fenstad +10 more
2014Acta Orthopaedica129 citations Open access
Semantic Scholar
Kaplan–Meier curve
J. Ranstam, J. Cook
2017British Journal of Surgery120 citations Open access
Semantic Scholar
Statistical analysis of arthroplasty data
J. Ranstam, J. Kärrholm, P. Pulkkinen, K. Mäkelä +4 more
2011Acta Orthopaedica119 citations Open access
Semantic Scholar
Methylprednisolone Injections for the Carpal Tunnel Syndrome
I. Atroshi, Magnus Flondell, Manfred Hofer, J. Ranstam
2013Annals of Internal Medicine110 citations
Semantic Scholar
Why the P-value culture is bad and confidence intervals a better alternative.
J. Ranstam
2012Osteoarthritis and Cartilage104 citations Open access
Semantic Scholar
Effect of Surgery vs Functional Bracing on Functional Outcome Among Patients With Closed Displaced Humeral Shaft Fractures: The FISH Randomized Clinical Trial.
L. Rämö, Bakir O. Sumrein, V. Lepola, Tuomas A. Lähdeoja +4 more
2020Journal of the American Medical Association (JAMA)102 citations Open access
Semantic Scholar
Statistical analysis of arthroplasty data
J. Ranstam, J. Kärrholm, P. Pulkkinen, K. Mäkelä +4 more
2011Acta Orthopaedica97 citations Open access
Semantic Scholar
Delaying ACL reconstruction and treating with exercise therapy alone may alter prognostic factors for 5-year outcome: an exploratory analysis of the KANON trial
S. Filbay, Ewa M. Roos, R. Frobell, F. Roemer +2 more
2017British Journal of Sports Medicine88 citations Open access
Semantic Scholar
ICRS Recommendation Document
E. Roos, L. Engelhart, J. Ranstam, A. Anderson +4 more
2011Cartilage88 citations Open access
Semantic Scholar
Atypical femoral fractures are a separate entity, characterized by highly specific radiographic features. A comparison of 59 cases and 218 controls.
Jörg Schilcher, Veronika Koeppen, J. Ranstam, R. Skripitz +2 more
2013Bone76 citations Open access
Semantic Scholar
Repeated measurements, bilateral observations and pseudoreplicates, why does it matter?
J. Ranstam
2012Osteoarthritis and Cartilage76 citations Open access
Semantic Scholar
Guidelines for the Design and Conduct of Clinical Studies in Knee Articular Cartilage Repair
Kai Mithoefer, D. Saris, J. Farr, E. Kon +8 more
2011Cartilage71 citations Open access
Semantic Scholar
Guidelines for a structured manuscript: Statistical methods and reporting in biomedical research journals
R. Christensen, J. Ranstam, S. Overgaard, P. Wagner
2023Acta Orthopaedica66 citations Open access
Semantic Scholar
Alternative analyses for handling incomplete follow-up in the intention-to-treat analysis: the randomized controlled trial of balloon kyphoplasty versus non-surgical care for vertebral compression fracture (FREE)
J. Ranstam, A. Turkiewicz, S. Boonen, J. V. Van Meirhaeghe +2 more
2012BMC Medical Research Methodology62 citations Open access
Semantic Scholar
Increased cancer risks among arthroplasty patients: 30 year follow-up of the Swedish Knee Arthroplasty Register.
P. Wagner, H. Olsson, L. Lidgren, O. Robertsson +1 more
2011European Journal of Cancer59 citations
Semantic Scholar
Subacromial decompression versus diagnostic arthroscopy for shoulder impingement: a 5-year follow-up of a randomised, placebo surgery controlled clinical trial
M. Paavola, Kari J. Kanto, J. Ranstam, A. Malmivaara +6 more
2020British Journal of Sports Medicine54 citations Open access
Semantic Scholar
Hypothesis-generating and confirmatory studies, Bonferroni correction, and pre-specification of trial endpoints
J. Ranstam
2019Acta Orthopaedica51 citations Open access
Semantic Scholar
Extended Follow-up of a Randomized Clinical Trial of Open vs Endoscopic Release Surgery for Carpal Tunnel Syndrome.
I. Atroshi, Manfred Hofer, Gert-Uno Larsson, J. Ranstam
2015Journal of the American Medical Association (JAMA)49 citations Open access
Semantic Scholar
Education, Home Exercise, and Supervised Exercise for People With Hip and Knee Osteoarthritis As Part of a Nationwide Implementation Program: Data From the Better Management of Patients With Osteoarthritis Registry
A. Dell'Isola, T. Jönsson, J. Ranstam, L. Dahlberg +1 more
2020Arthritis care & research39 citations Open access
Semantic Scholar
Fetal hemoglobin, α1-microglobulin and hemopexin are potential predictive first trimester biomarkers for preeclampsia.
U. D. Anderson, M. Gram, J. Ranstam, B. Thilaganathan +2 more
2016Pregnancy Hypertension39 citations Open access
Semantic Scholar
The Swedish Knee Arthroplasty Register : a review
J. Ranstam, M. Sundberg, A. W-Dahl, L. Lidgren
201439 citations
Semantic Scholar
Treatment for acute anterior cruciate ligament tear: five year outcome of randomised trial
R. Frobell, Harald P. Roos, Ewa M. Roos, F. Roemer +2 more
2015British Journal of Sports Medicine37 citations Open access
Semantic Scholar
Prevention of Surgical Site Infection in Total Joint Arthroplasty: An International Tertiary Care Center Survey
B. Ricciardi, M. Bostrom, L. Lidgren, J. Ranstam +2 more
2014HSS Journal ®36 citations Open access
Semantic Scholar
Balloon kyphoplasty in patients with osteoporotic vertebral compression fractures
D. Wardlaw, J. V. Van Meirhaeghe, J. Ranstam, L. Bastian +1 more
2012Expert Review of Medical Devices35 citations
Semantic Scholar
Extended Follow-up of Local Steroid Injection for Carpal Tunnel Syndrome
Manfred Hofer, J. Ranstam, I. Atroshi
2021JAMA Network Open30 citations Open access
Semantic Scholar
Clinical prediction models
J. Ranstam, J. Cook, G. Collins
2016British Journal of Surgery29 citations Open access
Semantic Scholar
Key analytic considerations in design and analysis of randomized controlled trials in osteoarthritis
E. Losina, J. Ranstam, Jamie E. Collins, T. Schnitzer +1 more
2015Osteoarthritis and Cartilage29 citations Open access
Semantic Scholar
Metal-on-metal joint bearings and hematopoetic malignancy
P. Wagner, H. Olsson, J. Ranstam, O. Robertsson +2 more
2012Acta Orthopaedica28 citations Open access
Semantic Scholar
Outcomes With Surgery vs Functional Bracing for Patients With Closed, Displaced Humeral Shaft Fractures and the Need for Secondary Surgery: A Prespecified Secondary Analysis of the FISH Randomized Clinical Trial.
L. Rämö, M. Paavola, Bakir O. Sumrein, V. Lepola +4 more
2021JAMA Surgery26 citations Open access
Semantic Scholar
The Cox model is better than the Fine and Gray model when estimating relative revision risks from arthroplasty register data
J. Ranstam, O. Robertsson
2017Acta Orthopaedica25 citations Open access
Semantic Scholar
Overfitting
J. Cook, J. Ranstam
2016British Journal of Surgery25 citations
Semantic Scholar
Can sulphonylurea addition to lifestyle changes help to delay diabetes development in subjects with impaired fasting glucose? The Nepi ANtidiabetes StudY (NANSY)
U. Lindblad, Gunnar Lindberg, Nils-Ove Månsson, J. Ranstam +6 more
2011Diabetes, obesity and metabolism24 citations
Semantic Scholar
Indications for hip and knee replacement in Sweden.
S. Löfvendahl, Svetlana Bizjajeva, J. Ranstam, L. Lidgren
2011Journal of Evaluation In Clinical Practice23 citations
Semantic Scholar
Treatment of carpal tunnel syndrome with wrist splinting: study protocol for a randomized placebo-controlled trial
I. Atroshi, Kamelia Tadjerbashi, S. Mccabe, J. Ranstam
2019Trials22 citations Open access
Semantic Scholar
Republished research: Treatment for acute anterior cruciate ligament tear: five year outcome of randomised trial
R. Frobell, Harald P. Roos, Ewa M. Roos, F. Roemer +2 more
2013British Journal of Sports Medicine19 citations
Semantic Scholar
Statistical mistakes and how to avoid them - lessons learned from the reproducibility crisis.
A. Turkiewicz, G. Luta, H. Hughes, J. Ranstam
2018Osteoarthritis and Cartilage18 citations Open access
Semantic Scholar
Fetal hemoglobin in umbilical cord blood in preeclamptic and normotensive pregnancies: A cross-sectional comparative study
Z. Masoumi, M. Familari, K. Källén, J. Ranstam +2 more
2017PLoS ONE17 citations Open access
Semantic Scholar
Finnish study of intraoperative irrigation versus drain alone after evacuation of chronic subdural haematoma (FINISH): a study protocol for a multicentre randomised controlled trial
Pihla Tommiska, R. Raj, C. Schwartz, R. Kivisaari +12 more
2020BMJ Open15 citations Open access
Semantic Scholar
Impact of Adrenalectomy on Morbidity in Patients with Non-Functioning Adrenal Cortical Tumours, Mild Hypercortisolism and Cushing’s Syndrome as Assessed by National and Quality Registries
L. Thompson, J. Ranstam, M. Almquist, E. Nordenström +1 more
2021World Journal of Surgery13 citations Open access
Semantic Scholar
Statistical models: an overview
J. Ranstam, Jonathan Cook
2016British Journal of Surgery12 citations Open access
Semantic Scholar
Statistical models and confounding adjustment
Jonathan Cook, J. Ranstam
2017British Journal of Surgery11 citations Open access
Semantic Scholar

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