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 430 for “"Case control."”.
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A case-control study of mesothelioma in South Africa
… the results of a prospective multicentred case-control study of mesothelioma carried out in South Africa. The objectives of the study were: 1) to examine asbestos exposure of cases in detail with respect to source, risk occupations, fibre type and duration; 2) to determine relative risks …
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Molar Incisor Hypomineralization and Developmental Dental Anomalies: A Case-Control Study
… Hypomineralization and Dental Anomalies: A Case-Control Study Authors : Park J1, Kratunova E1, Alrayyes S1, Alsaleh M1,Galang-Boquiren M2, Ahmed AT 1 Author affiliations :1 Department of Pediatric Dentistry, College of Dentistry, University of Illinois, Chicago, IL, USA Objectives: To …
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Bicycle Infrastructure Safety: A Review and Application of the Case-Control Methodology
… and evaluates the pros and cons of the case-control methodology as a tool for determining the risk of bicycle-motor vehicle collisions. It is important to understand the safety implications of each type of infrastructure so that the City of Seattle can make informed decisions when …
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Epidemiology of oesophageal cancer at Groote Schuur Hospital : a case control study
… part of a general cancer database in shich cases of cancer confirmed by histopathology were collected. The majority of patients originated from Eastern Cape province of South Africa and lived in rural areas.
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Behavioral and Functional Brain Correlates of Developmental Coordination Disorder: A Case-Control Study
… a single child with DCD and a single age-matched control subject (both 7 years of age) while they performed a 2-D visuo-motor tracking task.</p> <p>Relative to the control, the DCD child was clearly impaired on the behavioral metrics of fine motor control and showed significant activity (p < …
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Cystic fibrosis in black African children in South Africa: a case control study
… p.Phe508del genotype. Methods A retrospective case-controlled study was conducted from January 2000 – March 2018 of children with CF attending two CF centres in South Africa. Presentation, genotype, nutrition and pulmonary function outcomes of black African children were compared to matched …
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Density Analysis of Spontaneous Lower Extremity Fractures Using Computed Tomography: A Case-Control Study
The general metadata -- e.g., title, author, abstract, subject headings, etc. -- is publicly available, but access to the submitted files is restricted to UT Southwestern campus access and/or authorized UT Southwestern users.
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The viral protein R in HIV-associated acute ischaemic stroke: a case-control study
… and 80 age-matched HIV-infected non-stroke controls. Results: Isoleucine at position 22 and serine at position 41 were associated with ischaemic stroke in HIV. Individuals with stroke had lower CD4 counts and CD4 nadirs than controls. These polymorphisms are more common in individuals with …
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Material and fetal risk factors for stillbirth in Otjozondjupa region, Namibia: A case control study
… Region of Namibia Methods: An unmatched case control study was conducted. A pilot tested questionnaire was used for data extraction. A sample of 285, 95 cases and 190 controls were chosen using simple random sampling method. Data was analyzed using Epi info 7. Whereby bivariate and …
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Cognitive and brain markers in presymptomatic genetic behavioural variant frontotemporal dementia: a case-control study
… is an early feature. Using an age-matched case-control design, participants were stratified into ‘younger’ (<40 years old; cases n=3; controls n=9) and ‘older’ (>40 years old; cases n=3; controls n=8) groups. Results highlight heterogeneous patterns of performance across gene-positive …
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Point of care parameters and biomarkers in Acute Mountain Sickness: a prospective case-control study
Ιστορικό: Η Οξεία Νόσος Υψομέτρου (Acute Mountain Sickness, AMS) αποτελεί μια δυνητικά απειλητική για τη ζωή κατάσταση που επηρεάζει άτομα που ανεβαίνουν γρήγορα σε μεγάλο υψόμετρο. Ενώ υπάρχουν διάφορα κλινικά συστήματα βαθμονόμησης, οι αντικειμενικοί βιοδείκτες για την έγκαιρη ανίχνευση του …
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Case-control studies of vaginal and vulvar cancers and gynecologic screening: A SEER-Medicare analysis
… utilized simulated mathematical models and small case-control designs to determine the etiology of vaginal and vulvar cancers, rather than to determine the efficacy of gynecologic screening. This study utilized two large national population-based linked databases: the Medicare data set supported …
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A nested case-control study of lung cancer and central nervous system neoplasms among chemical workers
<p>This case-control study evaluates the relation between lung cancer and central nervous system neoplasms (CNSN) and employment at a dye and resin manufacturing plant. The study includes 51 lung cancer and 11 CNSN cases who were members of a cohort previously examined in a retrospective follow-up …
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Radiological predictors of PCP in HIV-positive adults in South Africa: a matched case-control study
… in high-burden settings. Methods: We conducted a case-control study involving HIV-positive adults with laboratory-confirmed PCP and a matched cohort with non-PCP respiratory presentations at regional hospitals in Cape Town, South Africa (2012 – 2020). The primary objective was to identify CXR …
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Radiological predictors of PCP in HIV-positive adults in South Africa: a matched case-control study
… in high-burden settings. Methods We conducted a case-control study involving HIV-positive adults with laboratory-confirmed PCP and a matched cohort with non-PCP respiratory presentations at regional hospitals in Cape Town, South Africa (2012 - 2020). The primary objective was to identify CXR …
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Ambient Polycyclic Aromatic Hydrocarbon Exposure and Breast Cancer Risk in a Population-Based Canadian Case-Control Study
… Surveillance System (NECSS), a population-based case-control study conducted within eight of the Canadian provinces between 1994-1997, annual fluoranthene exposures were estimated using the GEM-MACH-PAH chemical transport model on the basis of geocoded residential histories throughout a 20-year …
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Exploring preventive interventions and risk factors of hospital-acquired pressure ulcers: A retrospective matched case-control design.
… order to meet the aims of the study, a matched case-controlled design was employed. A convenience sampling technique was used to select all patients who matched the study criteria. Two groups of patients were selected. The first group developed pressure ulcer during hospitalization, the other …
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Machinery evaluation in a case-control study of farm machinery injuries in the prairie region of Canada
… that influence an injury event. As part of a case-control study of farm machinery injuries, this thesis describes the accounts of conducting on-site investigations of machinery from an engineering perspective. This thesis focused on the machinery factors that were involved in the injury …
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A case-control study of menstrual dysfunction occurring in women attending a general practice after tubal ligation
… attending a general practice, by means of a case-control study. Biopsychosocial factors, such as health status, social support, psychological and medical history, and reasons for sterilisation were investigated to see whether any of these factors could be predictive of post-sterilisation …
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Whole Genome Linkage Analysis in a Large Multigenerational Family From Brazil and Case Control Exploration of Linkage Regions
… regions in sporadic bipolar and depression cases, I performed a case control association analysis using bipolar and depression case control cohorts. None of the linkage regions identified in the BBF were found to be associated with BPD or depression. The future aim of this project is to …
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