Research articles

Effect of active vitamin D treatment on development of type 2 diabetes: DPVD randomised controlled trial in Japanese population

Gestational diabetes mellitus and adverse pregnancy outcomes: systematic review and meta-analysis

Short term, relative effectiveness of four doses versus three doses of BNT162b2 vaccine in people aged 60 years and older in Israel

Trajectory of long covid symptoms after covid-19 vaccination

Long term impact of prophylactic antibiotic use before incision versus after cord clamping on children born by caesarean section

Visualising harms in publications of randomised controlled trials

Multicomponent intervention to prevent mobility disability in frail older adults

Agreement of treatment effects from observational studies and RCTs evaluating medicines used in patients with covid-19

Validity of data extraction in evidence synthesis practice of adverse events

Variation in treatment and outcomes of patients in hospital with acute myocardial infarction

PCSK9 inhibitors and ezetimibe with or without statin therapy for cardiovascular risk reduction

Venovenous extracorporeal membrane oxygenation in patients with acute covid-19 associated respiratory failure

Exploratory analyses in aetiologic research and considerations for assessment of credibility: mini-review of literature

Public health impact of covid-19 vaccines in the US

Development and validation of the symptom burden questionnaire for long covid

Sintilimab for locally advanced or metastatic oesophageal squamous cell carcinoma

Healthy lifestyle and life expectancy with and without Alzheimer’s dementia

Multifaceted intervention to reduce haemodialysis catheter related bloodstream infections

Risk of adverse events after covid-19 in children and adolescents and effectiveness of BNT162b2

Clinical effectiveness of one ultrasound guided intra-articular corticosteroid and anaesthetic injection for hip osteoarthritis

Risks of deep vein thrombosis, pulmonary embolism, and bleeding after covid-19

Efficacy of interventions to reduce long term opioid treatment for chronic non-cancer pain

Psychological interventions for chronic, non-specific low back pain

Association of computed tomography screening with lung cancer stage shift and survival in the United States

National experience in the first two years of primary human papillomavirus (HPV) cervical screening in an HPV vaccinated population in Australia

Comparative effectiveness of statins on non-high density lipoprotein cholesterol in people with diabetes and at risk of cardiovascular disease

Risk of first ischaemic stroke and use of antidopaminergic antiemetics

Prone positioning of patients with moderate hypoxaemia due to covid-19

Marginalised identities, mistreatment, discrimination, and burnout among US medical students

SARS-CoV-2 positivity in offspring and timing of mother-to-child transmission

Association between covid-19 vaccination, SARS-CoV-2 infection, and risk of immune mediated neurological events

Global, regional, and national burden of diseases and injuries for adults 70 years and older

Clinical severity of, and effectiveness of mRNA vaccines against, covid-19

Alternative to prophylactic antibiotics for the treatment of recurrent urinary tract infections in women

Benefits and harms of direct oral anticoagulation and low molecular weight heparin for thromboprophylaxis in patients undergoing non-cardiac surgery

Efficacy of covid-19 vaccines in immunocompromised patients

Use of tocilizumab and sarilumab alone or in combination with corticosteroids for covid-19

Severity of maternal infection and perinatal outcomes during periods of SARS-CoV-2 dominance in the UK

Survival for waitlisted kidney failure patients receiving transplantation versus remaining on waiting list

The effects of plasma exchange in patients with ANCA-associated vasculitis: an updated systematic review and meta-analysis

Effectiveness of physical activity interventions

SARS-CoV-2 antigen lateral flow tests for detecting infectious people

Full endoscopic versus open discectomy for sciatica

Risks of mental health outcomes in people with covid-19

Mortality among US veterans after emergency visits to Veterans Affairs and other hospitals

Early identification of patients admitted to hospital for covid-19 at risk of clinical deterioration

Diagnosis of deep vein thrombosis with D-dimer adjusted to clinical probability

Interventions to prevent spontaneous preterm birth

Effectiveness of mRNA vaccines and waning of protection against SARS-CoV-2 infection and severe covid-19

Risk of persistent and new clinical sequelae during the post-acute phase of SARS-CoV-2 infection

The prevalence of loneliness across 113 countries

App based education programme to reduce salt intake (AppSalt) in schoolchildren and their families in China

Association between age at onset of multimorbidity and incidence of dementia

Ketamine for the acute treatment of severe suicidal ideation

Effectiveness of physical activity monitors in adults

Vitamin D and marine omega 3 fatty acid supplementation and incident autoimmune disease

Surgical fixation with K-wires versus casting in adults with fracture of distal radius

Drug treatment for panic disorder with or without agoraphobia

Anthropometric and adiposity indicators and risk of type 2 diabetes

Healthcare use in 700 000 children and adolescents for six months after covid-19

Indirect effects of the covid-19 pandemic on childhood infection in England

Atorvastatin versus placebo in patients with covid-19 in intensive care

Effect of dexamethasone as an analgesic adjuvant to multimodal pain treatment after total knee arthroplasty

GP consultation rates for sequelae after acute covid-19 in patients managed in the community or hospital

Evaluation of pathological complete response as surrogate endpoint in neoadjuvant randomised clinical trials of early stage breast cancer

Respiratory tract infection and risk of bleeding in oral anticoagulant users

SARS-CoV-2 vaccination and myocarditis or myopericarditis

Christmas 2021: Is the second-to-fourth digit ratio (2D:4D) a biomarker of good luck?

Christmas 2021: generating titles for Christmas research articles, using AI

Christmas 2021: Association between density of heavy metal bands and cause specific hospital admissions and mortality

Effectiveness of mRNA-1273 against delta and other variants of SARS-CoV-2

Christmas 2021: Association of Logic’s hip hop song “1-800-273-8255” with Lifeline calls and suicides in the US

Christmas 2021: Anticipating the ageing trajectories of superheroes in the Marvel cinematic universe

Christmas 2021: “It’s not rocket science” and “It’s not brain surgery”—“It’s a walk in the park”

Christmas 2021: Bah humbug! Association between sending Christmas cards to trial participants and trial retention

Association of bilateral salpingo-oophorectomy with all cause and cause specific mortality

Remote, proactive, telephone based management of toxicity in outpatients during adjuvant or neoadjuvant chemotherapy for early stage breast cancer

Multifactorial falls prevention programme compared with usual care in UK care homes for older people

Timing of dialysis initiation to reduce mortality and cardiovascular events in advanced chronic kidney disease

Discordant and inappropriate discordant recommendations in consensus and evidence based guidelines

Elapsed time since BNT162b2 vaccine and risk of SARS-CoV-2 infection

Ambient heat and risks of emergency department visits among adults in the United States

Effect of PEP flute self-care versus usual care in early covid-19

Prescription opioid treatment and initiation of injection drug use

Effectiveness of public health measures in reducing the incidence of covid-19, SARS-CoV-2 transmission, and covid-19 mortality

Sex differences in mortality among binational cohort of people with chronic kidney disease

Effect of nutritionally modified infant formula on academic performance

Exercise versus usual care after non-reconstructive breast cancer surgery

Epinephrine before defibrillation in patients with shockable in-hospital cardiac arrest

Use of whole genome sequencing to determine genetic basis of suspected mitochondrial disorders

Mapping conflict of interests: scoping review

Effects of covid-19 pandemic on life expectancy and premature mortality in 2020

Inhaled and intranasal ciclesonide for the treatment of covid-19 in adult outpatients

Cardioversion in patients with newly diagnosed non-valvular atrial fibrillation

Effect of dietary sources of calcium and protein on hip fractures and falls in older adults in residential care

Risk of bias in studies on prediction models developed using supervised machine learning techniques

Acute urinary retention and risk of cancer: population based Danish cohort study

Effectiveness of therapeutic heparin versus prophylactic heparin in moderately ill patients with covid-19 admitted to hospital

Dietary intake and biomarkers of alpha linolenic acid and risk of all cause mortality

Conduct and reporting of formula milk trials