Sökning: "hazard rate"

Visar resultat 41 - 45 av 177 avhandlingar innehållade orden hazard rate.

1. 41. Prediction and prevention of falls among elderly people in residential care

   Författare :Lillemor Lundin-Olsson; Yngve Gustafson; Umeå universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; accidental falls; risk factors; movement; equilibrium; predictive value of test; accidental falls: prevention control; randomised controlled trials; frail elderly; residential facilities;

   Sammanfattning : Among elderly people, falls lead to a considerable amount of immobility, morbidity, and mortality. The purpose of this study was to develop and evaluate methods for predicting falls, and to evaluate a fall prevention program among elderly people living in residential care facilities. LÄS MER

3. 42. Data analytics for weak spot detection in power distribution grids

   Författare :Hassan Mashad Nemati; Sławomir Nowaczyk; Anita Pinheiro Sant'Anna; Math Bollen; Högskolan i Halmstad; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

   Sammanfattning : This research aims to develop data-driven methods that extract information from the available data in distribution grids for detecting weak spots, including the components with degraded reliability and areas with power quality problems. The results enable power distribution companies to change from reactive maintenance to predictive maintenance by deriving benefits from available data. LÄS MER

4. 43. Essays on Economics of Natural Resource Management and Experiments

   Författare :Wisdom Akpalu; Göteborgs universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Optimal taxation; Efficiency; Externality; Dynamic analysis; Firm behaviour; Fishery; Regulatory compliance; Common pool resources; Experiment; Ostracism; Contribution norm; Public goods; Ghana;

   Sammanfattning : This thesis has five self-contained essays. The titles and the abstracts of the various essays are as follows. Paper 1: Natural Resource use Conflict: Gold Mining in Tropical Rainforest in Ghana: Gold is frequently mined in rainforests that can provide either gold or forest benefits, but not both. LÄS MER

5. 44. Enhanced recovery after surgery (ERAS) interventions and outcome from colorectal surgery

   Författare :Daniel Asklid; Karolinska Institutet; Karolinska Institutet; []
   Nyckelord :;

   Sammanfattning : Although immense progress has been made in the fields of chemo- and radiotherapy during the last decades, surgery is still the ultimate cure for the majority of patients with colorectal cancer. Since colorectal cancer most often presents at a high age and in patients often suffering from a large burden of comorbidity, it is important to develop strategies to improve postoperative recovery and outcome, not only for the patient, but also from a health economic perspective. LÄS MER

7. 45. Local recurrence after breast conserving surgery in breast cancer

   Författare :Irma Fredriksson; Karolinska Institutet; Karolinska Institutet; []
   Nyckelord :Breast Cancer; Breast Conserving Surgery; Radiotherapy; Local Recurrence; Axillary Recurrence; Risk Factors; Distant Metastasis; Cohort Study; Case-Control Study;

   Sammanfattning : The general aim of this thesis was to gain increased insight into the problem of local recurrences after breast conserving surgery for breast cancer. In a population-based cohort of 4,694 women with invasive breast cancer, operated in 1981 to 1990 and followed through 1997, we studied how breast conserving surgery had been adopted into clinical practice. LÄS MER