covariate


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covariate

A variable that may affect the outcome of a clinical trial, either because it has a direct causal relationship to the outcome or because it influences the outcome in a non-causal fashion.
References in periodicals archive ?
We checked the balance for each covariate, which provides reasonable assurance on that point.
Keywords: career planning, career readiness, STEM initiatives, negative career thinking, covariate adjustment
A common approach is to assume an empirical model for the covariate of interest based on the observed data, such as a linear mixed effects model.
The geology map was also used as a covariate input in the predictive models.
Appendix I.--Top 20 models based on AICc weight from post-hoc analyses to evaluate the influence of the detection model on the estimated effect size of the covariate Rock on occupancy.
Objective--To determine the pharmacokinetics of voriconazole administered PO with or without food to red-tailed hawks (Buteo jamaicensis) and whether any observed variability could be explained by measured covariates to inform dose adjustments.
Suppose that the failure rate function of two-parameter Weibull distribution of NC machine tools under covariate [X.sub.i] is
We use the miRNA expression data (Level 3) of 548 patients with GBM downloaded from TCGA (http://cancergenome.nih.gov) in order to illustrate the effectiveness of identifying prognostic miRNAs in glioblastoma using the joint covariate selection method.
Use instead the spreadsheet compare two group means, even though that spreadsheet as yet allows adjustment for only one covariate. I have also provided more analyses and comments in relevant cells for SDs representing individual responses.
In cases where the covariate was associated significantly with the response variable, the relationship was assessed graphically on scatter plots with linear regression used to plot a trend line.