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Chronic widespread pain and its associations with quality of life and function at a 20- year follow-up of individuals with chronic knee pain at inclusion

Published 27 February 2020 To study the prevalence of chronic widespread pain (CWP) and chronic regional pain (CRP), and their association to quality of life, pain, physical function at a 20-year follow-up in a population based cohort with chronic knee pain at inclusion. New publication in BMC Musculoskeletal Disorders

https://www.lupop.lu.se/article/chronic-widespread-pain-and-its-associations-quality-life-and-function-20-year-follow-individuals - 2025-04-03

Inappropriate opioid dispensing in patients with knee and hip osteoarthritis: a population-based cohort study

Published 28 February 2020 To estimate inappropriate opioid dispensing in patients with knee or hip osteoarthritis (OA) defined as (1) dispensing of opioids within the first year of diagnosis or (2) long-term opioid use. New publication in Osteoarthritis and Cartilage

https://www.lupop.lu.se/article/inappropriate-opioid-dispensing-patients-knee-and-hip-osteoarthritis-population-based-cohort-study - 2025-04-03

A Graphical Catalog of Threats to Validity Linking Social Science with Epidemiology

Published 1 May 2020 Directed acyclic graphs (DAGs), a prominent tool for expressing assumptions in epidemiologic research, are most useful when the hypothetical data generating structure is correctly encoded. Understanding a study’s data generating structure and translating that data structure into a DAG can be challenging, but these skills are often glossed over in training. New publication in E

https://www.lupop.lu.se/article/graphical-catalog-threats-validity-linking-social-science-epidemiology - 2025-04-03

Neck and upper extremity pain in sonographers – a longitudinal study

Published 2 May 2020 Sonographers have reported a high occurrence of musculoskeletal pain for more than 25 years. Assessments of occupational risk factors have previously been based on cross-sectional surveys. The aim of this longitudinal study was to determine which factors at baseline that were associated with neck/shoulder and elbow/hand pain at follow-up. New publication in BMC Musculoskeletal

https://www.lupop.lu.se/article/neck-and-upper-extremity-pain-sonographers-longitudinal-study - 2025-04-03

Correlation without a cause: an epidemiological odyssey

Published 3 May 2020 In the 1980s debate intensified over whether there was a protective effect of high-density lipoprotein cholesterol (HDL-C) or an adverse effect of triglycerides on coronary heart disease (CHD) risk. In a 1991 paper reprinted in the IJE we suggested that the high degree of correlation between the two, together with plausible levels of measurement error, made it unlikely that co

https://www.lupop.lu.se/article/correlation-without-cause-epidemiological-odyssey - 2025-04-03

Duplicate and salami publication: a prevalence study of journal policies

Published 4 May 2020 Duplicate and salami publication are unethical, but are common practices with substantial consequences for science and society at large. Scientific journals are the ‘gatekeepers’ of the publication process. We investigated journal policies on duplicate and salami publication New publicationin International Journal of Epidemiology

https://www.lupop.lu.se/article/duplicate-and-salami-publication-prevalence-study-journal-policies - 2025-04-03

Evidence synthesis for constructing directed acyclic graphs (ESC-DAGs): a novel and systematic method for building directed acyclic graphs

Published 6 May 2020 Directed acyclic graphs (DAGs) are popular tools for identifying appropriate adjustment strategies for epidemiological analysis. However, a lack of direction on how to build them is problematic. As a solution, we propose using a combination of evidence synthesis strategies and causal inference principles to integrate the DAG-building exercise within the review stages of resear

https://www.lupop.lu.se/article/evidence-synthesis-constructing-directed-acyclic-graphs-esc-dags-novel-and-systematic-method - 2025-04-03

Associations between perfluoroalkyl substances and serum lipids in a Swedish adult population with contaminated drinking water

Published 7 May 2020 Exposures to perfluoroalkyl substances (PFAS) have shown positive associations with serum lipids in previous studies. While many studies on lipids investigated associations with perfluorooctane sulfonic acid (PFOS) and perfluorooctanoic acid (PFOA), there are only a few studies regarding other PFAS, such as perfluorohexane sulfonic acid (PFHxS). The purpose of the current stud

https://www.lupop.lu.se/article/associations-between-perfluoroalkyl-substances-and-serum-lipids-swedish-adult-population - 2025-04-03

A Graphical Description of Partial Exchangeability

Published 8 May 2020 Partial exchangeability is sufficient for the identification of some causal effects of interest. Here we review the use of common graphical tools and the sufficient component cause model in the context of partial exchangeability. We illustrate the utility of single world intervention graphs (SWIGs) in depicting partial exchangeability and provide an illustrative example of whe

https://www.lupop.lu.se/article/graphical-description-partial-exchangeability - 2025-04-03

Analyzing the situation of older family caregivers with a focus on health-related quality of life and pain: a cross-sectional cohort study

Published 9 May 2020 For a significant proportion of the older population, increasing age is associated with health problems and worsening health. Older family caregivers are largely responsible for care of next-of-kin living at home, which impacts their own physical and mental health both positively and negatively. However, evidence is insufficient regarding the health situation of older caregive

https://www.lupop.lu.se/article/analyzing-situation-older-family-caregivers-focus-health-related-quality-life-and-pain-cross - 2025-04-03

Effect Decomposition in the Presence of Treatment-induced Confounding A Regression-with-residuals Approach

Published 10 May 2020 Analyses of causal mediation are often complicated by treatment-induced confounders of the mediator–outcome relationship. In the presence of such confounders, the natural direct and indirect effects of treatment on the outcome, into which the total effect can be additively decomposed, are not identified. An alternative but similar set of effects, known as randomized intervent

https://www.lupop.lu.se/article/effect-decomposition-presence-treatment-induced-confounding-regression-residuals-approach - 2025-04-03

Relationship between degree of heparin anticoagulation and clinical outcome in patients receiving potent P2Y12-inhibitors

Published 11 May 2020 Heparin is the preferred choice of anticoagulant in percutaneous coronary intervention (PCI) for acute myocardial infarction (MI). An established dosage of heparin has not yet been determined, but treatment may be optimized through monitoring of activated clotting time (ACT).. New publication in Europe PMC

https://www.lupop.lu.se/article/relationship-between-degree-heparin-anticoagulation-and-clinical-outcome-patients-receiving-potent - 2025-04-03

Incidence of distal radius fracture in a general population in southern Sweden in 2016 compared with 2001

Published 13 May 2020 In this population-based study, we compared the incidence of distal radius fracture in 2016 with that in the same region’s adult general population in 2001 using radiographs to identify fracture cases. We showed that the incidence decreased by 24% in 2016 compared with 2001 indicating an important development. New publication in Osteoporosis International

https://www.lupop.lu.se/article/incidence-distal-radius-fracture-general-population-southern-sweden-2016-compared-2001 - 2025-04-03

Robust Metrics and Sensitivity Analyses for Meta-analyses of Heterogeneous Effects

Published 14 May 2020 We recently suggested new statistical metrics for routine reporting in random-effects meta-analyses to convey evidence strength for scientifically meaningful effects under effect heterogeneity. First, given a chosen threshold of meaningful effect size, we suggested reporting the estimated proportion of true population effect sizes above this threshold. Second, we suggested re

https://www.lupop.lu.se/article/robust-metrics-and-sensitivity-analyses-meta-analyses-heterogeneous-effects - 2025-04-03

Outcomes of Simultaneous Resections and Classical Strategy for Synchronous Colorectal Liver Metastases in Sweden: A Nationwide Study with Special Reference to Major Liver Resections

Published 15 May 2020 In this prospectively registered cohort study, we analyzed clinical, pathological, and survival outcomes for patients operated in the period 2008–2015 and compared the two strategies. New publication in World Journal of Surgery

https://www.lupop.lu.se/article/outcomes-simultaneous-resections-and-classical-strategy-synchronous-colorectal-liver-metastases - 2025-04-03

Toward Causally Interpretable Meta-analysis Transporting Inferences from Multiple Randomized Trials to a New Target Population

Published 16 May 2020 We take steps toward causally interpretable meta-analysis by describing methods for transporting causal inferences from a collection of randomized trials to a new target population, one trial at a time and pooling all trials. We discuss identifiability conditions for average treatment effects in the target population and provide identification results. We show that the assump

https://www.lupop.lu.se/article/toward-causally-interpretable-meta-analysis-transporting-inferences-multiple-randomized-trials-new - 2025-04-03

FAIR Maturity Evaluation of Nordic and Baltic data repositories

Published 5 May 2020 Science is one of the greatest collective endeavors and the most important channel for gaining knowledge. Scientific research is the collecting of data to investigate and explain a phenomenon or theory with the help of the scientific process. The idea of science is that you can only learn about a phenomenon reliably and accurately by collecting empirical data. What role does s

https://www.lupop.lu.se/article/fair-maturity-evaluation-nordic-and-baltic-data-repositories - 2025-04-03