Randomization
1,954 Followers
Recent papers in Randomization
Peter Urbach has argued, on Bayesian grounds, that experimental randomization serves no useful purpose in testing causal hypotheses. I maintain that he fails to distinguish general issues of statistical inference from specific problems... more
Amrubicin, a new anthracycline agent, and topotecan are both active for previously treated small-cell lung cancer (SCLC). No comparative study of these agents has been reported. This randomized phase II study was conducted to select... more
The review found no convincing evidence for the effectiveness of any therapeutic or preventive homeopathic treatment for the treatment of childhood and adolescent ailments. The authors' cautious conclusions were appropriate given the... more
We give algorithms to find shortest paths homotopic to given disjoint paths that wind amongst n point obstacles in the plane. Our deterministic algorithm runs in time O(k log n+n√n), and the randomized version in time O(k log n+n(log... more
Background: Poor quality of information transfer about the benefits and risks of statin drug use may result in patients not making informed decisions that they can act on in a timely fashion.
Besides hyperglycemia and hypertension, a recently recognized risk factor for diabetic retinopathy (DR) appears to be hyperlipidemia. While studies using earlier generation lipid lowering agents in DR were disappointing, a randomized... more
Background: Health-related quality of life is increasingly recognized as an important outcome in clinical research and patient care. Although there are a large number of reports of quality of life in the setting of end-stage renal... more
Intention-to-treat (ITT) in randomized controlled trials involves keeping participants in the treatment groups to which they were randomized regardless of whether they withdraw following randomization. Intention-totreat is a strategy for... more
The objective of this study was to compare the efficacy and safety of valproate and lithium in bipolar I patients experiencing a manic or a mixed episode. This international, randomized, open-label, parallel-group, equivalence study... more
Endothelial dysfunction can predict cardiac outcomes in hypertension and reversing this abnormality has become an attractive therapeutic objective. We tested the hypothesis that blocking the angiotensin type 1 (AT 1 ) receptor with... more
Objective: To test the effect of pelvic muscle exercise on postpartum symptoms of stress urinary incontinence and pelvic muscle strength in primigravidas during pregnancy and postpartum.
Byzantine Agreement has become increasingly important in establishing distributed properties when there may exist errors in the systems. Recent polynomial algorithms for reaching Byzantine Agreement provide us with feasible solutions for... more
Results from previous studies of campaign spending imply that equal-sized grants to both incumbents and challengers are a net benefit to challengers, who on average spend less money and derive greater marginal returns from each additional... more
BACKGROUND. This study was designed to replicate our earlier finding that intensive group therapy extended survival time of women with metastatic breast cancer. Subsequent findings concerning the question of whether such psychosocial... more
Objective: Published pharmacokinetic data on ketotifen are sparse, although it is a commonly used prophylactic agent in various allergic disorders in adults and children. The aim of this study was to assess the steady-state... more
One hundred seventy-two subjects with head lice participated in a five-way, investigator-blinded, parallel-group, active-controlled study comparing 0.5% malathion gel (30, 60, and 90 minutes applications), Ovide Ò Lotion (0.5% malathion),... more
Falls cause injury and death for persons of all ages, but risk of falls increases markedly with age. Hospitalization further increases risk, yet no evidence exists to support short-stay hospital-based fall prevention strategies to reduce... more
Objective To determine whether extremely low birth weight infants (ELBW) transfused at lower hemoglobin thresholds versus higher thresholds have different rates of survival or morbidity at discharge. Study design Infants weighing <1000 g... more
This article describes a randomized study to determine the effectiveness of a reentry modified therapeutic community (RMTC) for offenders with co-occurring substance use and mental disorders (co-occurring disorders or COD). Men with COD,... more
The two-sample Kolmogorov-Smirnov test is unable to achieve an arbitrary probability of Type I error because it can only take on a limited number of discrete values. We o er a randomized procedure that achieves any speciÿed value of. We... more
We have studied the effect of moderate physical activity that is performed by healthy women during their entire pregnancy on their perception of health status. STUDY DESIGN: Eighty sedentary women were assigned randomly to either an... more
Background: The measurement of spasticity as a symptom of neurologic disease is an area of growing interest. Clinician-rated measures of spasticity purport to be objective but do not measure the patient's experience and may not be... more
Dynamic allocation has received considerable attention since it was first proposed in the 1970s as an alternative means of allocating treatments in clinical trials which helps to secure the balance of prognostic factors across treatment... more
A Randomized, Double-Blind, Placebo-Controlled Crossover Study Article Type: Original Study Section/Category: Abstract: Background: The beneficial effect of sulpiride augmentation of clozapine therapy for treatment resistant schizophrenia... more
Objectives: Fixed-term school exclusions are disciplinary sanctions on pupils in response to serious aggressive or disruptive behaviour in schools. It is unclear whether these sanctions aggravate future problems. Here we assess what... more
Background: Patients experiencing acute pain after surgery, including dental surgery, often require analgesia. Ideally, the chosen analgesic should have a rapid onset and sustained effect. Etoricoxib is a new cyclooxygenase-2selective... more
We present a novel dynamic analysis technique that finds real deadlocks in multi-threaded programs. Our technique runs in two stages. In the first stage, we use an imprecise dynamic analysis technique to find potential deadlocks in a... more
Background Opioid dependence is associated with low rates of treatment-seeking, poor adherence to treatment, frequent relapse, and major societal consequences. We aimed to assess the effi cacy, safety, and patient-reported outcomes of an... more
Purpose: Nucleation pH is the pH at which Ca and Mg come out of urine to form crystals. If the safety margin between voiding pH and nucleation pH could be increased, it would increase the possibility of an alternative to controlling the... more
Results from clinical studies suggest that the dihydropyridine calcium channel blocker (CCB) lercanidipine may be associated with a lower incidence of peripheral edema than are older dihydropyridine CCBs.
No abstract is available. To read the body of this article, please view the Full Text online. ... Corresponding Author Information Corresponding author. Neonatology and NICU, S. Anna Hospital, Azienda Ospedaliera Regina Margherita. S.... more
Lamotrigine is an antiepileptic drug which has been used in the treatment of epilepsy and bipolar disorder. A search of the literature did not find previously published bioequivalence and pharmacokinetic evaluations of lamotrigine in... more
Background. Topical hemostatic agents composed of a gelatin-based matrix and thrombin have been reported to be effective, in addition to traditional means, in terminating bleeding during cardiac operations. We compared a hemostatic matrix... more
Mobile (cell) phone communication has been suggested as a method to improve delivery of health services. However, data on the effects of mobile health technology on patient outcomes in resource-limited settings are limited. We aimed to... more
Background: Herbal remedies are increasingly popular for the treatment of functional dyspepsia. Chios mastic gum is a resinous exudate from the stem of Pistacia lentiscus var. chia. It is a traditional natural remedy used throughout the... more
Wise men speak because they have something to say; Fools because they have to say something.