All Outputs (142)

Hormone replacement therapy and cancer mortality in women with 17 site-specific cancers: a cohort study using linked medical records (2024)
Journal Article

BACKGROUND: There is limited evidence on the safety of Hormone Replacement Therapy (HRT) in women with cancer. Therefore, we systematically examined HRT use and cancer-specific mortality in women with 17 site-specific cancers. METHODS: Women newly di... Read More about Hormone replacement therapy and cancer mortality in women with 17 site-specific cancers: a cohort study using linked medical records.

Uptake, effectiveness and safety of COVID-19 vaccines in individuals at clinical risk due to immunosuppressive drug therapy or transplantation procedures: a population-based cohort study in England (2024)
Journal Article

Background: Immunocompromised individuals are at increased risk of severe COVID-19 outcomes, underscoring the importance of COVID-19 vaccination in this population. The lack of comprehensive real world data on vaccine uptake, effectiveness and safety... Read More about Uptake, effectiveness and safety of COVID-19 vaccines in individuals at clinical risk due to immunosuppressive drug therapy or transplantation procedures: a population-based cohort study in England.

Safety outcomes following COVID-19 vaccination and infection in 5.1 million children in England (2024)
Journal Article

The risk-benefit profile of COVID-19 vaccination in children remains uncertain. A self-controlled case-series study was conducted using linked data of 5.1 million children in England to compare risks of hospitalisation from vaccine safety outcomes af... Read More about Safety outcomes following COVID-19 vaccination and infection in 5.1 million children in England.

Fatigue during the COVID-19 pandemic – prevalence and predictors: findings from a prospective cohort study (2024)
Journal Article

The COVID-19 pandemic and consequent lockdowns had a substantial impact on mental health. Distress and fatigue are highly correlated. However, little is known about the determinants of fatigue in the general population during the pandemic. This study... Read More about Fatigue during the COVID-19 pandemic – prevalence and predictors: findings from a prospective cohort study.

Predicting the risk of pancreatic cancer in adults with new-onset diabetes: development and internal–external validation of a clinical risk prediction model (2024)
Journal Article

Background: The National Institute for Health and Care Excellence (NICE) recommends that people aged 60+ years with newly diagnosed diabetes and weight loss undergo abdominal imaging to assess for pancreatic cancer. More nuanced stratification could... Read More about Predicting the risk of pancreatic cancer in adults with new-onset diabetes: development and internal–external validation of a clinical risk prediction model.

Development and validation of a new algorithm for improved cardiovascular risk prediction (2024)
Journal Article

QRISK algorithms use data from millions of people to help clinicians identify individuals at high risk of cardiovascular disease (CVD). Here, we derive and externally validate a new algorithm, which we have named QR4, that incorporates novel risk fac... Read More about Development and validation of a new algorithm for improved cardiovascular risk prediction.

Effectiveness and safety of COVID-19 vaccination in people with blood cancer (2024)
Journal Article

Background People with blood cancer have increased risk of severe COVID-19 outcomes and poor response to vaccination. We assessed the safety and effectiveness of COVID-19 vaccines in this vulnerable group compared to the general population. Methods... Read More about Effectiveness and safety of COVID-19 vaccination in people with blood cancer.

Dynamic updating of clinical survival prediction models in a changing environment (2023)
Journal Article

Background Over time, the performance of clinical prediction models may deteriorate due to changes in clinical management, data quality, disease risk and/or patient mix. Such prediction models must be updated in order to remain useful. In this study... Read More about Dynamic updating of clinical survival prediction models in a changing environment.

Seasonal trends in antidepressant prescribing, depression, anxiety and self-harm in adolescents and young adults: an open cohort study using English primary care data (2023)
Journal Article

Background There is an increasing demand for mental health services for young people, which may vary across the year. Objective To determine whether there are seasonal patterns in primary care antidepressant prescribing and mental health issues in... Read More about Seasonal trends in antidepressant prescribing, depression, anxiety and self-harm in adolescents and young adults: an open cohort study using English primary care data.

Causal association between subtypes of osteoarthritis and common comorbidities: A Mendelian randomisation study (2023)
Journal Article

Objective To investigate the causal association between Osteoarthritis (OA) and five comorbidities: depression, tiredness, multisite chronic pain, irritable bowel syndrome (IBS) and gout.... Read More about Causal association between subtypes of osteoarthritis and common comorbidities: A Mendelian randomisation study.

Importance of accurate and accessible recording of healthcare contacts in mental health (2023)
Journal Article

Development and validation of a novel risk prediction algorithm to estimate 10-year risk of oesophageal cancer in primary care: prospective cohort study and evaluation of performance against two other risk prediction models (2023)
Journal Article

Background: Methods to identify patients at increased risk of oesophageal cancer are needed to better identify those for targeted screening. We aimed to derive and validate novel risk prediction algorithms (CanPredict) to estimate the 10-year risk of... Read More about Development and validation of a novel risk prediction algorithm to estimate 10-year risk of oesophageal cancer in primary care: prospective cohort study and evaluation of performance against two other risk prediction models.

Frequency and impact of medication reviews for people aged 65 years or above in UK primary care: an observational study using electronic health records (2023)
Journal Article

Background Medication reviews in primary care provide an opportunity to review and discuss the safety and appropriateness of a person’s medicines. However, there is limited evidence about access to and the impact of routine medication reviews for old... Read More about Frequency and impact of medication reviews for people aged 65 years or above in UK primary care: an observational study using electronic health records.

Healthcare utilisation and mortality in people with osteoarthritis in the UK: findings from a national primary care database. (2023)
Journal Article

Background The burden of osteoarthritis (OA) in UK primary care has not been investigated thoroughly. Aim To estimate healthcare use and mortality in people with OA (overall and joint specific). Design and setting A matched cohort study of adul... Read More about Healthcare utilisation and mortality in people with osteoarthritis in the UK: findings from a national primary care database..

Risk prediction of covid-19 related death or hospital admission in adults testing positive for SARS-CoV-2 infection during the omicron wave in England (QCOVID4): cohort study (2023)
Journal Article

Objectives To derive and validate risk prediction algorithms (QCOVID4) to estimate the risk of covid-19 related death and hospital admission in people with a positive SARS-CoV-2 test result during the period when the omicron variant of the virus was... Read More about Risk prediction of covid-19 related death or hospital admission in adults testing positive for SARS-CoV-2 infection during the omicron wave in England (QCOVID4): cohort study.

Disparities in care and outcomes for primary liver cancer in England during 2008–2018: a cohort study of 8.52 million primary care population using the QResearch database (2023)
Journal Article

Background: Liver cancer has one of the fastest rising incidence and mortality rates among all cancers in the UK, but it receives little attention. This study aims to understand the disparities in epidemiology and clinical pathways of primary liver c... Read More about Disparities in care and outcomes for primary liver cancer in England during 2008–2018: a cohort study of 8.52 million primary care population using the QResearch database.

Predicting the future risk of lung cancer: development, and internal and external validation of the CanPredict (lung) model in 19·67 million people and evaluation of model performance against seven other risk prediction models (2023)
Journal Article

Background: Lung cancer is the second most common cancer in incidence and the leading cause of cancer deaths worldwide. Meanwhile, lung cancer screening with low-dose CT can reduce mortality. The UK National Screening Committee recommended targeted l... Read More about Predicting the future risk of lung cancer: development, and internal and external validation of the CanPredict (lung) model in 19·67 million people and evaluation of model performance against seven other risk prediction models.

Ethnic disparities in COVID-19 outcomes: a multinational cohort study of 20 million individuals from England and Canada (2023)
Journal Article

Background: Heterogeneous studies have demonstrated ethnic inequalities in the risk of SARS-CoV-2 infection and adverse COVID-19 outcomes. This study evaluates the association between ethnicity and COVID-19 outcomes in two large population-based coho... Read More about Ethnic disparities in COVID-19 outcomes: a multinational cohort study of 20 million individuals from England and Canada.

Impact of the COVID-19 pandemic on incidence of tics in children and young people: a population-based cohort study (2023)
Journal Article

Background: Since the onset of the coronavirus (COVID-19) pandemic, clinicians have reported an increase in presentations of sudden and new onset tics particularly affecting teenage girls. This population-based study aimed to describe and compare the... Read More about Impact of the COVID-19 pandemic on incidence of tics in children and young people: a population-based cohort study.

Uptake of COVID-19 vaccination in people with blood cancer: Population-level cohort study of 12 million patients in England (2023)
Journal Article

Background: People with blood cancers have increased risk of severe outcomes from COVID-19 and were prioritised for vaccination. Methods: Individuals in the QResearch database aged 12 years and above on 1st December 2020 were included in the analysis... Read More about Uptake of COVID-19 vaccination in people with blood cancer: Population-level cohort study of 12 million patients in England.