Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 13 of 13 for “"hospital episode statistics"”.
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The epidemiology of hospital admissions in a general population: record linkage of hospital episode statistics to the European Prospective Investigation of Cancer (EPIC-Norfolk) cohort
… by taxation free at the point of delivery. Hospitals account for approximately 50% of overall NHS spending. Two-thirds of people admitted to hospital are over 65 with those over 85 accounting for 25% of bed days. This thesis aims to quantify hospital usage in a general population of …
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Second primary cancers following breast cancer in the general population and in BRCA1 and BRCA2 pathogenic variant carriers
… electronic health records from the Hospital Episode Statistics Admitted Patient Care dataset, Hospital Episode Statistics Outpatients dataset, and National Cancer Registration Dataset from the National Disease Registration Service to identify a cohort of 581,403 females and 3562 …
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Predictive Risk Modelling of Hospital Emergency Readmission, and Temporal Comorbidity Index Modelling Using Machine Learning Methods
… applications of machine learning techniques in hospital emergency readmission and comorbidity risk problems, using healthcare administrative data. The aim is to introduce generic and robust solution approaches that can be applied to different healthcare settings. Existing solution methods and …
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Characterising recent mortality trends in people with bipolar disorder and schizophrenia in England using linked hospital and mortality data
… linkage studies were undertaken study using Hospital Episode Statistics and death registration data about patients discharged from inpatient care in England between 1999 and 2007. Results Findings showed that the mortality gap widened over the last decade for people with bipolar disorder and …
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Intrapartum birthing pool use in the UK
… become increasingly medicalised, with a shift to hospital births and an overuse of interventions for women at low risk of childbirth complication. In response, there has been a move towards normalising birth which has grown in strength over recent years. In this thesis, I describe a programme of …
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Revision knee replacement outcomes and implications for the organisation of care in the NHS: Can regional networks improve outcomes?
… done by fewer more experienced surgeons and hospitals. While higher procedure volumes are associated with improved outcomes in surgery, RevKR is still often performed by low volume surgeons and hospitals. The literature shows an inconsistent relationship between volume and outcomes in RevKR, …
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Modelling the impact of climate change on health
… accounting the non-linear relationships between hospital admissions due to lower respiratory (LR) disease and factors of climate and pollution, and their delayed effects on hospital admissions. This study also evaluates whether the model fits can be improved by considering the non-linearity of …
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Evaluating the Diagnostic Value and Molecular Mechanisms of Thrombocytosis in Lung Cancer
… from the Clinical Practice Research Datalink, Hospital Episode Statistics Admitted Patient Care, the National Cancer Registration and Analysis Service, and the UK Biobank. The second phase investigates the cellular processes underpinning the association between thrombocytosis and lung cancer in …
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Trend and Impact of Nephrectomy Centralisation on Renal Cell Carcinoma Survival
… survival. The study also hypothesizes that hospital nephrectomy volume is an important variable in predicting mortality risks both in the post-operative period and in the longer-term. Methods Information from English patients who underwent RCC nephrectomy between 2000 and 2010 were captured …
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Optimising Cardiovascular Disease Risk Assessment: Application of Dynamic Prediction Tools and Risk Stratification Strategies Using Electronic Health Records
… (CPRD), together with the linked data from Hospital Episode Statistics (HES) and the Office for National Statistics (ONS). Key findings 1: By applying landmark modelling to EHRs for people with type 2 diabetes, models incorporating trajectories and variability of risk predictors demonstrated …
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Genotype and phenotype in mitochondrial disorders
… and autosomal recessive POLG. We have linked to Hospital Episode Statistics, death certificates and the cancer registry. We present survival analysis, causes of death and cancer standardised incidence ratios. Treatment <br>Mitochondrial disorders can cause early death or lifelong disability and …
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Cranioplasty: Timing, Outcomes and Patient Experience
… of life. Chapter 2 The second chapter uses hospital episode statistics (2014-19) to investigate the longitudinal trends of decompressive craniectomy following traumatic brain injury or stroke, analysing the timing of cranioplasty and whether these have an impact on revision or removal rates. …
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Long term outcomes of risk reducing salpingo-oophorectomy in the general population and in women with pathogenic variants in BRCA1 and BRCA2
… National cancer registration dataset (NCRD), the Hospital Episode Statistics-Admitted Patient Care (HES-APC) dataset and data from the genetic testing laboratories of England. The NCRD was used to identify cohorts with personal history of breast cancer and cancer outcomes, HES-APC was used to …