Sökning: "confounding factors"
Visar resultat 1 - 5 av 198 avhandlingar innehållade orden confounding factors.
1. Gastroesophageal reflux : etiological factors
Sammanfattning : Gastroesophageal reflux disease (GERD) is one of the most common health problems in the Western world today, affecting up to 20% of the adult population weekly and 50% monthly, generating substantial suffering among patients as well as significant costs to both patients and also to society in general. GERD can result in serious complications such as esophageal strictures, Barrett’s esophagus, and esophageal adenocarcinoma. LÄS MER
2. Methodological aspects on excess cancer riskafter exposure to ionizing radiation
Sammanfattning : Aims. The aims of this study were to establish a cohort of persons treated with radiotherapy for skin haemangioma in childhood and study the excess risk of cancer after exposure to ionizing radiation. LÄS MER
3. Surgery for rectal cancer : the impact of perioperative factors
Sammanfattning : Rectal cancer is one of the most common and deadly cancer forms worldwide. A large proportion of rectal cancer patients are surgically treated with curative intention, with anterior resection being the most frequently used method today. LÄS MER
4. Prospective studies of hormonal and life-style related factors and risk of cancer
Sammanfattning : Background: Androgens are important in prostate cancer development but how circulating levels of androgens affect risk of prostate cancer of different aggressiveness is not clear. Being childless has been associated with a lower risk of prostate cancer, but it is not clear if this association is causal or a result of residual confounding. LÄS MER
5. Homocysteine and its determinants in relation to cardiovascular risk factors and myocardial infarction
Sammanfattning : Background: Globally, cardiovascular diseases (CVD), including myocardial infarction (MI) and stroke, are the leading cause of illness and death and constitute a significant part of the disease burden in Sweden and Western Europe. Age, hypertension, smoking, obesity, dyslipoproteinemia, diabetes, and impaired renal function are considered established risk factors for CVD. LÄS MER