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 20 of 714 for “"cohort study"”.
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Hemaglobinopathy and Pregnancy Outcomes: A Historical Cohort Study
… pregnancy outcomes. We conducted a historical cohort study using Discharge Abstract Database for the fiscal year 1991-1992 through 2007-2008. We estimated the frequency of pregnant women with hemoglobinopathy and examined their associations with adverse pregnancy outcomes. Women with sickle …
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Outcomes of Immune Checkpoint Inhibitor-Mediated Colitis: Multicenter Cohort Study
… and outcomes of IMC. This was a retrospective, cohort study of patients who received ICI and developed endoscopically/histologically confirmed IMC between 1/1/2011 and 12/31/2019. Multivariate logistic regression analyses were conducted to assess predictors of IMC recurrence and long duration of …
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ASSOCIATION BETWEEN ATRIAL SIZE AND CEREBROVASCULAR EVENTS: A RETROSPECTIVE, COHORT STUDY
… remains unclear. We carried out a prospective cohort study to assess the association between LAE, detected using the left atrial volume index (LAVi), and cerebrovascular events (CVE). Methods: We enrolled consecutive adults undergoing transthoracic echocardiography (TTE) between 2012 and 2023 …
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Spontaneous Angiogram Negative Subarachnoid Hemorrhage : A Retrospective Single Center Cohort Study
Background: Spontaneous angiogram negative subarachnoid hemorrhage (SAH) is considered a benign illness with little of the aneurysmal SAH-related complications. We describe the clinical course, SAH-related complications and outcome of patients with angiogram negative SAH. Methods: We …
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Handling missing data in analyses of the UK women's cohort study
… ways of handling missing data in the UK Women Cohort Study (UKWCS). This is a large dataset with continuous, categorical and binary variables with missing values in almost every variable. A number of simple imputation techniques, as well as multiple imputation developed by Rubin (1987), and …
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Lifestyle Factors and Risk of Heart Failure: A Prospective Cohort Study
… had certain health lifestyle factors. Our study results showed that 1) moderate and high levels of occupational or leisure-time physical activity are associated with a reduced risk of HF in both sexes; A simultaneous engagement in two or three types of physical activity showed a slightly …
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Recidivism Among Jamaican Teenage Mothers : A Historical Cohort Study 1995-1998
… of their education.</p> <p>This historical cohort study assessed the effect of the WCJF Program on the incidence of repeat pregnancies over the period 1995-1998, and on the educational attainment of program participants. A random sample (n=260) of primiparous Jamaican adolescent mothers …
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Economic evaluations of antidepressant treatments: a national cohort study in Taiwan
… most prevalent comorbid physical illness in this cohort, affects these results. The results showed that SSRIs are more cost-effective than tricyclic antidepressants and SNRIs regardless of comorbid CVD. There are various limitations to be considered in these analyses, including the limited scope …
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Antenatal AVSD diagnosis at Groote Schuur Hospital A retrospective cohort study
… and infant life, we performed a retrospective study of all AVSD's diagnosed at a tertiary referral hospital in Cape Town (Groote Schuur Hospital) between 1 January 2010 and 31 December 2016. We examined ultrasound records and case folders from the antenatal, neonatal and infancy periods, up to …
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An exploratory analysis of large health cohort study using Bayesian networks
Large health cohort studies are among the most effective ways in studying the causes, treatments and outcomes of diseases by systematically collecting a wide range of data over long periods. The wealth of data in such studies may yield important results in addition to the already numerous findings, …
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A cohort study of sex differences and prognostic biomarkers in colorectal cancer
… and clinicopathological factors in a large cohort of incident CRC, with special attention to sex differences. The study group consisted of tumours from 557 incident cases of CRC in the Malmö Diet and Cancer Study (MDCS). The tumours, assembled in tissue microarrays, were evaluated for …
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Severe Neurotoxicity Associated with supra-therapeutic Efavirenz concentrations: a retrospective cohort study
Introduction Efavirenz, still used for first line antiretroviral therapy, is associated with neuropsychiatric symptoms, often occurring early in therapy. Severe neurotoxicity has been reported but the clinical phenotype and risk factors are poorly defined. Methods We retrospectively identified …
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Adverse impact of hospitalisation on infant breastfeeding practices: a prospective cohort study
… Methods: We conducted a prospective cohort study of infant feeding practices among mother-infant dyads admitted to general paediatric wards at a tertiary children’s hospital in Cape Town, South Africa. Medical, demographic and feeding practice data were collected through …
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Characteristics and costs of electric scooter injuries in Helsinki : a retrospective cohort study
Tausta: Sähköpotkulautaonnettomuudet ovat lisääntyneet voimakkaasti monissa maissa, kun sähköpotkulautojen vuokrausfirmat ovat lisääntyneet ja näin helpottaneet sähköpotkulautojen saatavuutta. Sähköpotkulautaonnettomuuksien taloudellista vaikutusta yhteiskunnalle ei ole tutkittu laajemmassa …
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POLST-Discordant Intensive Care Near the End of Life: A Retrospective Cohort Study
… near the end of life. Design: Retrospective cohort study over 2010-2015. Setting: Two teaching hospitals in a large academic healthcare system. Participants: All POLST users with chronic life-limiting illness hospitalized during the last six months of life who died during 2010-2015. …
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Relationship Between Angiotensin Receptor Blockers and Cancer: A Nested Retrospective Longitudinal Cohort Study
… we have conducted a medication safety study designed to help confirm or refute a concern raised regarding the relationship between the ARB class of drugs and cancer. Three primary cancers were evaluated as primary outcome measures: hepatocellular cancer, colon cancer and prostate …
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Opioid Prescribing Among Hospitalized Patients in Tertiary Care Hospitals: A Retrospective Cohort Study
… hospitals in Canada. Methods This retrospective cohort study linked data from electronic discharge abstracts and inpatient prescription claims. Adult patients admitted to a medicine or surgery unit between January 2017 and December 2019 were eligible for inclusion. Opioid prescriptions were …
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Low Blood Lead Levels, Parental Education, Physiological Stress, And Neurocognition: A Cohort Study
… is under-investigated. This dissertation study examined the relationships among low blood lead levels (BLLs), parental education, and neurocognitive and heart rate variability outcomes. Chapter 2 systematically reviewed the literature on the relationship between low BLLs (≤ 10 mcg/dl) and …
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Predictors of Response to Acetylcholinesterase Inhibitors: An Observational Case Register-Based Cohort Study
… of such responses are not well established. This study describes longitudinal cognitive outcomes for patients who received AChEIs at the South London and Maudsley NHS Foundation Trust, UK during 2003 and 2010 in a routine clinical setting. Aims/ Objectives: The primary objective of the study was …
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