نتایج جستجو برای: event study
تعداد نتایج: 4098368 فیلتر نتایج به سال:
This paper revisits event-study methodology based on regression estimation of abnormal returns. The paper reviews the traditional event study and gives a more detailed discussion of the regression based approach with quantitative event variables. The paper discusses also briefly the the dummy variable regression which is a special case of the quantitative case. Use of GARCH to predict event per...
BACKGROUND AND AIMS Probiotic supplementation seems to provide beneficial effects in the prevention and treatment of radiation-induced diarrhea. We performed a systematic review and meta-analysis to estimate the efficacy of probiotic supplementation for prevention and treatment of radiation-induced diarrhea. METHODS Two reviewers independently searched PubMed, EMBASE, Cochrane Library, Google...
Perampanel is a selective, noncompetitive AMPA receptor antagonist with demonstrated efficacy and tolerability in partial seizures in patients aged ≥ 12 years in Phase III studies. Post-hoc analysis of these studies was conducted to determine the efficacy and tolerability of perampanel based on the number of concomitant antiepileptic drugs (AEDs) at baseline, as well as to examine which baselin...
In an open-label, prospective non-randomized cohort study, we compared the effectiveness and tolerability profiles of the homeopathic remedy Nervoheel N with those of the benzodiazepine, lorazepam, in 248 patients with insomnia, distress, anxieties, restlessness or burnout and similar nervous conditions ('mild nervous disorders'). Patients were treated with Nervoheel N or lorazepam at the recom...
OBJECTIVES Evidence suggests that doxycycline might have disease-modifying properties in osteoarthritis. However, the clinically relevant question as to whether doxycycline also modifies symptoms in knee osteoarthritis is unanswered. The objective of this study was to investigate the effectiveness of doxycycline on pain and daily functioning in symptomatic knee osteoarthritis. METHODS A 24-we...
Ecolabels are designed to help consumers identify environmentally superior products and services, however, they are not all created equal. Some ecolabels have strong rules that promote environmental improvements, while others have weaker rules that permit free-riding. Since information about ecolabel design and rule strength is typically not readily available at the point of purchase, consumers...
Rotaviruses (RV) are a major cause of severe gastroenteritis (GE) in children aged<5 y. For the first time in China, we assessed the efficacy of two oral doses of the human rotavirus vaccine (RIX4414) in infants during the first two years of life (113808/NCT01171963). Healthy infants aged 6-16 weeks were randomized (1:1) to receive two oral doses of either the RIX4414 vaccine/placebo according ...
A multicenter, double-blind, randomized, active-control phase III clinical trial was performed to assess the immunogenicity and safety of a trivalent, inactivated split influenza vaccine. Korean children between the ages of 6 months and 18 y were enrolled and randomized into a study (study vaccine) or a control vaccine group (commercially available trivalent, inactivated split influenza vaccine...
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