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BMJ
Scopus
ISSN 1756-1833 · 165 articles in the index
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SPIRIT 2025 statement: updated guideline for protocols of randomised trials
IMPORTANCE: The protocol of a randomised trial is the foundation for study planning, conduct, reporting, and external review. However, trial protocols vary in their completeness and often do not address key elements of design and conduct. The SPIRIT (Standard Protocol Items: Recommendations for…
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CONSORT 2025 statement: updated guideline for reporting randomised trials
BACKGROUND: Well designed and properly executed randomised trials are considered the most reliable evidence on the benefits of healthcare interventions. However, there is overwhelming evidence that the quality of reporting is not optimal. The CONSORT (Consolidated Standards of Reporting Trials)…
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PROBAST+AI: an updated quality, risk of bias, and applicability assessment tool for prediction models using regression or artificial intelligence methods
The Prediction model Risk Of Bias ASsessment Tool (PROBAST) is used to assess the quality, risk of bias, and applicability of prediction models or algorithms and of prediction model/algorithm studies. Since PROBAST’s introduction in 2019, much progress has been made in the methodology for…
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FUTURE-AI: international consensus guideline for trustworthy and deployable artificial intelligence in healthcare
Despite major advances in artificial intelligence (AI) research for healthcare, the deployment and adoption of AI technologies remain limited in clinical practice. This paper describes the FUTURE-AI framework, which provides guidance for the development and deployment of trustworthy AI tools in…
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Projections for prevalence of Parkinson’s disease and its driving factors in 195 countries and territories to 2050: modelling study of Global Burden of Disease Study 2021
OBJECTIVE: To predict the global, regional, and national prevalence of Parkinson's disease by age, sex, year, and Socio-demographic Index to 2050 and quantify the factors driving changes in Parkinson's disease cases. DESIGN: Modelling study. DATA SOURCE: Global Burden of Disease Study 2021. MAIN…
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Advances in diagnosis and treatment of bladder cancer
Bladder cancer remains a leading cause of cancer death worldwide and is associated with substantial impacts on patient quality of life, morbidity, mortality, and cost to the healthcare system. Gross hematuria frequently precedes the diagnosis of bladder cancer. Non-muscle-invasive bladder cancer…
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Developing clinical prediction models: a step-by-step guide
Predicting future outcomes of patients is essential to clinical practice, with many prediction models published each year. Empirical evidence suggests that published studies often have severe methodological limitations, which undermine their usefulness. This article presents a step-by-step guide to…
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Evaluation of clinical prediction models (part 2): how to undertake an external validation study
External validation studies are an important but often neglected part of prediction model research. In this article, the second in a series on model evaluation, Riley and colleagues explain what an external validation study entails and describe the key steps involved, from establishing a high…
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Tislelizumab plus chemotherapy versus placebo plus chemotherapy as first line treatment for advanced gastric or gastro-oesophageal junction adenocarcinoma: RATIONALE-305 randomised, double blind, phase 3 trial
Abstract Objective To evaluate the efficacy and safety of tislelizumab added to chemotherapy as first line (primary) treatment for advanced gastric or gastro-oesophageal junction adenocarcinoma compared with placebo plus chemotherapy. Design Randomised, double blind, placebo controlled, phase 3…
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Therapeutic advances in rheumatoid arthritis
Rheumatoid arthritis (RA) is one of the most common immune mediated inflammatory diseases. People with rheumatoid arthritis present with pain, swelling, and stiffness that typically affects symmetrically distributed small and large joints. Without effective treatment, significant joint damage…
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Ultra-processed food exposure and adverse health outcomes: umbrella review of epidemiological meta-analyses
OBJECTIVE: To evaluate the existing meta-analytic evidence of associations between exposure to ultra-processed foods, as defined by the Nova food classification system, and adverse health outcomes. DESIGN: Systematic umbrella review of existing meta-analyses. DATA SOURCES: MEDLINE, PsycINFO…
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Evaluation of clinical prediction models (part 1): from development to external validation
Evaluating the performance of a clinical prediction model is crucial to establish its predictive accuracy in the populations and settings intended for use. In this article, the first in a three part series, Collins and colleagues describe the importance of a meaningful evaluation using internal…
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Publishers’ and journals’ instructions to authors on use of generative artificial intelligence in academic and scientific publishing: bibliometric analysis
OBJECTIVES: To determine the extent and content of academic publishers' and scientific journals' guidance for authors on the use of generative artificial intelligence (GAI). DESIGN: Cross sectional, bibliometric study. SETTING: Websites of academic publishers and scientific journals, screened on…
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Updated recommendations for the Cochrane rapid review methods guidance for rapid reviews of effectiveness
This article provides updated guidance on methods for conducting rapid reviews of effectiveness, targeted at Cochrane and other stakeholders interested in the methodology of rapid reviews. The guidance, developed by the Cochrane Rapid Reviews Methods Group, builds upon previous interim guidance…
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TRIPOD+AI statement: updated guidance for reporting clinical prediction models that use regression or machine learning methods
The TRIPOD (Transparent Reporting of a multivariable prediction model for Individual Prognosis Or Diagnosis) statement was published in 2015 to provide the minimum reporting recommendations for studies developing or evaluating the performance of a prediction model. Methodological advances in the…
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Advances in systemic therapies for triple negative breast cancer
Triple negative breast cancer (TNBC) continues to be the subtype of breast cancer with the highest rates of recurrence and mortality. The lack of expression of targetable proteins such as the estrogen receptor and absence of HER2 amplification have made relying on cytotoxic chemotherapy necessary…
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Dietary sugar consumption and health: umbrella review
OBJECTIVE: To evaluate the quality of evidence, potential biases, and validity of all available studies on dietary sugar consumption and health outcomes. DESIGN: Umbrella review of existing meta-analyses. DATA SOURCES: PubMed, Embase, Web of Science, Cochrane Database of Systematic Reviews, and…
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CONSORT Harms 2022 statement, explanation, and elaboration: updated guideline for the reporting of harms in randomised trials
Randomised controlled trials remain the reference standard for healthcare research on effects of interventions, and the need to report both benefits and harms is essential. The Consolidated Standards of Reporting Trials (the main CONSORT) statement includes one item on reporting harms (ie, all…
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Prevalence, awareness, treatment, and control of hypertension in China, 2004-18: findings from six rounds of a national survey
Abstract Objective To assess the recent trends in prevalence and management of hypertension in China, nationally and by population subgroups. Design Six rounds of a national survey, China. Setting China Chronic Disease and Risk Factors Surveillance, 2004-18. Participants 642 523 community dwelling…