Search for dissertations about: "expected p-value"

Found 4 swedish dissertations containing the words expected p-value.

  1. 1. On Sequential Treatment Allocations in Clinical Trials

    Author : Carl-Fredrik Burman; Göteborgs universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; treatment assignment; clinical trial; biased coin designs; balance of prognostic factors; sequential design; randomization test; expected p-value; deficiency; efficiency; efficiency;

    Abstract : This dissertation treats baseline-dependent sequential designs of two-treatment parallel-group clinical trials. The treatment assignments are chosen in order to minimize the variance, in a linear model, of the treatment effect. This is done for each new allocation using a generalized biased coin design, or a non-randomized minimization' method. READ MORE

  2. 2. Morale in very old people : With focus on stroke, depression and survival

    Author : Johan Niklasson; Yngve Gustafson; Hugo Lövheim; Aase Wisten; Sölve Elmståhl; Umeå universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Morale; aged 80 and over; Sweden and Finland; Psychometrics testing; Feasibility studies; Quality of Life; Stroke; Depressive disorders; Geriatric psychiatry; Salutogenic factor; Survival; Longevity; Future-oriented optimism;

    Abstract : Background: Morale is a multidimensional concept, often defined as a future-oriented optimism or pessimism regarding the problems and opportunities associated with ageing. Very old people, older than 80 years, constitute an age group that is expected to increase in Europe from 4.7% of the general population today to 12. READ MORE

  3. 3. Practices that facilitate or hinder breastfeeding

    Author : Kristin Svensson; Karolinska Institutet; Karolinska Institutet; []
    Keywords : anti-secretory factor;

    Abstract : The overall aim of this thesis was to address delivery and maternity practices that can impede breastfeeding and to develop methods to facilitate breastfeeding. The specific aims were to study 1) breastfeeding hormones in mothers giving birth vaginally and by cesarean section, 2) to what extent mothers roomed- in with their infants at the maternity and what were their attitudes 3) if anti-secretory factor (AF), known to prevent mastitis in animals, could be induced in human milk 4) if latching-on problems in “older” infants could be remediated by skin-to-skin contact with the mother during breastfeeding. READ MORE

  4. 4. Traction force and long-term outcome in children born after vacuum-assisted delivery

    Author : Stefhanie Romero; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : Introduction: Vacuum-assisted delivery (VAD) is used in cases of dystocia or foetal distress in the second stage of labour. The frequency of VADs differs around the world, and in Sweden they account for six to nine percent of all deliveries. READ MORE