Sökning: "case-control"
Visar resultat 16 - 20 av 622 avhandlingar innehållade ordet case-control.
16. Case-control studies on risk factors for myeloid leukemias and myelodysplastic syndromes
Sammanfattning : Case-control studies comprising telephone interviews for 333 cases of acute myeloid leukemia (AML), 226 cases of Philadelphia chromosome-positive chronic myeloid leukemia (Ph+ CML), 330 cases of myelodysplastic syndromes (MDS), and matched controls were conducted. Information had to be obtained from next-of-kin much more often for cases (85%) than for controls (18%). LÄS MER
17. Primary hyperparathyroidism of postmenopausal women : Prospective population-based case-control analysis on prevalence, clinical findings and treatment
Sammanfattning : The need of prospective studies on prevalence, clinical features and treatment of mild primary hyperparathyroidism (HPT) has been emphasised. Population-based screening was performed in 5 202 women attending screening mammography at 55-75 years of age. HPT was diagnosed in 2.1% of the women, and almost one third of them were normocalcemic. LÄS MER
18. Risk factors in oral and oropharyngeal squamous cell carcinoma
Sammanfattning : År 2002 drabbades omkring 275 000 individer runt om i världen av cancer i munhålan. Mer än hälften av dessa kommer att dö av sin sjukdom inom 5 år. Förekomsten av cancer i munhåla och svalg (Oral and Oropharyngeal Squamous Cell Carcinoma, OOSCC) varierar i olika delar av världen. LÄS MER
19. Exploring paths to youth suicide and sudden violent death : a multimethod case-control investigation
Sammanfattning : Suicide and other forms of sudden violent death are the most common causes of death among young people worldwide. Both suicide and other forms of sudden violent death are more frequent among males than females. Risk factors, suicidal behavior, and help-seeking patterns differ between young women and men. LÄS MER
20. Myocardial infarction and cardiac regulation in relation to vibration exposure
Sammanfattning : The purpose of this thesis was to assess the possible risk of myocardial infarction in work entailing exposure to vibration, and to study whether there is any relation between short-term exposure to vibration and cardiac regulation. Epidemiological methods were applied to investigate a possible association between occupational exposure to vibration and myocardial infarction. LÄS MER