Search for dissertations about: "confounding factors"

Showing result 1 - 5 of 198 swedish dissertations containing the words confounding factors.

2. 1. Gastroesophageal reflux : etiological factors

   Author : Helena Nordenstedt; Karolinska Institutet; Karolinska Institutet; []
   Keywords : Estrogen; gastroesophageal reflux; H. pylori; lifestyles; population-based; postmenopausal hormone therapy; respiratory symptoms; twins;

   Abstract : 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. READ MORE

4. 2. Methodological aspects on excess cancer riskafter exposure to ionizing radiation

   Author : Erik Holmberg; Göteborgs universitet; []
   Keywords : ionizing radiation; skin haemangioma; breast cancer; parathyroid adenoma; excess cancer risk; bias; confounding; risk models; pooled analysis.;

   Abstract : 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. READ MORE

5. 3. Surgery for rectal cancer : the impact of perioperative factors

   Author : Daniel Kverneng Hultberg; Martin Rutegård; Jörgen Rutegård; Peter Matthiessen; Markku Haapamäki; Lydrup Marie-Louise; Tom Öresland; Umeå universitet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Rectal cancer; abdominal surgery; anastomotic leakage; anastomotic dehiscence; postoperative complications; vascular tie; ligation level; oncologic outcome; surgical oncology; survival; recurrence; functional outcome; urogenital; anorectal; incontinence; NSAID; COX; Surgery; kirurgi;

   Abstract : 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. READ MORE

6. 4. Prospective studies of hormonal and life-style related factors and risk of cancer

   Author : Sara Wirén; Pär Stattin; Håkan Jonsson; Tanja Stocks; Alicja Wolk; Umeå universitet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; prostate cancer; epidemiology; androgens; risk factors; fatherhood status; dizygotic twins; height; cohort; case-control; prospective; Cancer Epidemiology; cancerepidemiologi;

   Abstract : 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. READ MORE

7. 5. Homocysteine and its determinants in relation to cardiovascular risk factors and myocardial infarction

   Author : Elisabet Söderström; Johan Hultdin; Torbjörn K. Nilsson; Anders Larsson; Umeå universitet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Homocysteine; folate; myocardial infarction; apolipoprotein; risk factors; cotinine; nicotine; tobacco; CTH; MTHFR; renal insufficiency; glomerular filtration rate; creatinine; cystatin C; shrunken pore syndrome; epidemiology; Clinical Chemistry; klinisk kemi;

   Abstract : 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. READ MORE