treatment effect

treatment effect

An effect attributed to a treatment, which in a clinical trial is based on a comparison between active treatment and a placebo control, or two or more treatment regimens.
References in periodicals archive ?
The QPI-1002 treatment effect observed in the overall study population was consistent in predefined subgroups of subjects including those with chronic kidney disease, diabetes, and high-risk patients who underwent multiple cardiovascular surgical procedures.
This concern is exacerbated in evaluation of treatment effect on utilization outcomes--for example, costs, number of readmissions--because these distributions are typically right-skewed by a minority of complex patients, who can distort treatment effect estimates even in the absence of confounding (Jones 2010; Mihaylova et al.
In this example, the trend is in the opposite direction for the treatment effect and will adjust the ES down.
Although our findings suggest that some NSAIDs have a clinically relevant treatment effect on osteoarthritis pain," the investigators wrote, their benefit has to be weighed against their potential harmful effects, which include cardiovascular risk associated with diclofenac and gastrointestinal complications linked to naproxen.
The data is grouped based on the estimated propensity scores then balance is assessed, to ensure that the grouping produced similar pools of patients receiving treatment A versus B and finally analyzed to estimate the treatment effect and its clinical and statistical significance.
In most cases the magnitude of the estimated treatment effect remained the same, but statistical significance increased relative to single nearest neighbour matching.
Results: We find that rigorous control conditions diminish treatment effects, so that an increase in control group WL of one kilogram corresponds with an expected shrinkage of the treatment effect by 0.
Comparisons of RCT estimates of average treatment effect (ATE) and RD estimates of LATE are rare because few studies have both randomized assignment and a forcing variable.
According to study, no significant treatment effect was seen for average office blood pressure, and no significant treatment effect was evident for any of the secondary outcomes (24-hour blood pressure, arterial stiffness, endothelial function, cholesterol level, glucose level, and walking distance).
Discussion: Although we found a positive treatment effect, there are several methodological limitations with respect to the retrolective study design.
Based upon the treatment-effects literature, for students who take calculus prior to an economics principles course, the effect of taking calculus is measured by the average treatment effect on the treated (ATT) which is the difference between the mean outcome (in terms of the course grade) observed for those students who actually took calculus and the mean outcome that would have been observed for these same students if they had not taken calculus.
The treatment effect is simply the difference in the

Full browser ?