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Sökning: WFRF:(Dehlendorff Christian) > (2008)

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  • Dehlendorff, Christian, et al. (författare)
  • Designing simulation experiments with controllable and uncontrollable factors
  • 2008
  • Ingår i: 2008 Winter Simuation Conference. - Piscataway, NJ : IEEE Communications Society. - 9781424427079 ; , s. 2909-2915
  • Konferensbidrag (refereegranskat)abstract
    • In this study we propose a new method for designing computer experiments inspired by the split plot designs used in physical experimentation. The basic layout is that each set of controllable factor settings corresponds to a whole plot for which a number of subplots, each corresponding to one combination of settings of the uncontrollable factors, is employed. The caveat is a desire that the subplots within each whole plot cover the design space uniformly. A further desire is that in the combined design, where all experimental runs are considered at once, the uniformity of the design space coverage should be guaranteed. Our proposed method allows for a large number of uncontrollable and controllable settings to be run in a limited number of runs while uniformly covering the design space for the uncontrollable factors
  • Tibaek, Sigrid, et al. (författare)
  • Prevalence of Lower Urinary Tract Symptoms (LUTS) in stroke patients: A cross-sectional, clinical survey.
  • 2008
  • Ingår i: Neurourology and Urodynamics. - : John Wiley & Sons Inc.. - 0733-2467 .- 1520-6777. ; Jun 12, s. 763-771
  • Tidskriftsartikel (refereegranskat)abstract
    • AIMS: The aims of this study were primarily to investigate the prevalence, severity and impact on daily life of Lower Urinary Tract Symptoms (LUTS) in a clinical sample of stroke patients and secondly to identify factors associated with LUTS. MATERIALS AND METHODS: This was a cross-sectional, hospital based survey whereby stroke patients were invited by letter to complete The Danish Prostatic Symptom Score (DAN-PSS-1) questionnaire at least 1 month following their stroke. Subjects were asked to report the frequency and severity of their symptoms (symptom score) and the impact of each symptom on their daily life (bother score) over the previous fortnight. Of 519 stroke patients invited, 482 subjects were eligible. RESULTS: The response rate was 84%. The period prevalence of at least one symptom was 94%; the most frequent symptom was nocturia (76%) followed by urgency (70%) and daytime frequency (59%). The most severe symptom was urgency followed by nocturia and daytime frequency. Among respondents who had at least one symptom, the prevalence of bother was 78%. Likewise the most frequent bothersome symptom was nocturia (53%), followed by urgency (48%) and daytime frequency (40%). Paresis in legs, symptoms of urinary incontinence on admission, and use of analgesics were significantly associated with severity, whereas the prevalence and bother of LUTS could not be associated with other patient characteristics. CONCLUSION: LUTS are highly prevalent in stroke patients and have a major impact on daily life. Neurourol. Urodynam. (c) 2008 Wiley-Liss, Inc.
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  • Resultat 1-2 av 2

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