User profiles for "author:Geert J M G van der Heijden"
Geert JMG van der Heijden, PhDEmeritus Professor of Social Dentistry, University of Amsterdam, Academic Center for … Verified email at acta.nl Cited by 25213 |
A gentle introduction to imputation of missing values
In most situations, simple techniques for handling missing data (such as complete case
analysis, overall mean imputation, and the missing-indicator method) produce biased …
analysis, overall mean imputation, and the missing-indicator method) produce biased …
Ultrasound therapy for musculoskeletal disorders: a systematic review
DAWM van der Windt, GJMG van der Heijden… - Pain, 1999 - Elsevier
Background: Ultrasound therapy is used frequently to reduce pain and related disability,
mainly by physiotherapists. The objective of this review was to evaluate the effectiveness of …
mainly by physiotherapists. The objective of this review was to evaluate the effectiveness of …
Spinal manipulation for low back pain: an updated systematic review of randomized clinical trials
BW Koes, WJJ Assendelft, GJMG Van der Heijden… - Spine, 1996 - journals.lww.com
Methods A computer-aided search for published papers was conducted, and the methods of
the studies identified were assessed. Scores were assigned for quality of methods (based …
the studies identified were assessed. Scores were assigned for quality of methods (based …
Imputation of missing values is superior to complete case analysis and the missing-indicator method in multivariable diagnostic research: a clinical example
BACKGROUND AND OBJECTIVES: To illustrate the effects of different methods for handling
missing data—complete case analysis, missing-indicator method, single imputation of …
missing data—complete case analysis, missing-indicator method, single imputation of …
Declining risk of colorectal cancer in inflammatory bowel disease: an updated meta-analysis of population-based cohort studies
MWMD Lutgens, MGH van Oijen… - Inflammatory bowel …, 2013 - academic.oup.com
Background Recently reported risks of colorectal cancer (CRC) in inflammatory bowel
disease (IBD) have been lower than those reported before 2000. The aim of this meta …
disease (IBD) have been lower than those reported before 2000. The aim of this meta …
Shoulder disorders: a state-of-the-art review
GJMG van der Heijden - Best Practice & Research Clinical Rheumatology, 1999 - Elsevier
This paper provides an up-to-date overview of the occurrence, diagnosis, risk factors,
prognostic indicators and outcome of shoulder disorder (SD), and of the validity and …
prognostic indicators and outcome of shoulder disorder (SD), and of the validity and …
Systematic review of prognostic cohort studies on shoulder disorders
T Kuijpers, DAWM van der Windt… - Pain, 2004 - Elsevier
Shoulder complaints are common and have an unfavourable outcome in many patients.
Only 50% of all new episodes of shoulder disorders end in complete recovery within 6 …
Only 50% of all new episodes of shoulder disorders end in complete recovery within 6 …
Enteral nutrition and the risk of mortality and infectious complications in patients with severe acute pancreatitis: a meta-analysis of randomized trials
Objective To compare the effect of enteral vs parenteral nutrition in patients with severe
acute pancreatitis for clinically relevant outcomes. Data Sources A computerized literature …
acute pancreatitis for clinically relevant outcomes. Data Sources A computerized literature …
[HTML][HTML] Development of the Instrument to assess the Credibility of Effect Modification Analyses (ICEMAN) in randomized controlled trials and meta-analyses
BACKGROUND: Most randomized controlled trials (RCTs) and meta-analyses of RCTs
examine effect modification (also called a subgroup effect or interaction), in which the effect …
examine effect modification (also called a subgroup effect or interaction), in which the effect …
[HTML][HTML] Active rehabilitation for chronic low back pain: cognitive-behavioral, physical, or both? First direct post-treatment results from a randomized controlled trial …
RJEM Smeets, JWS Vlaeyen, A Hidding… - BMC Musculoskeletal …, 2006 - Springer
Background The treatment of non-specific chronic low back pain is often based on three
different models regarding the development and maintenance of pain and especially …
different models regarding the development and maintenance of pain and especially …