Sentence examples for variable analysis using from inspiring English sources
We used two-stage least-squares instrumental variable analysis using the 'ivregress' command in Stata version 12.0 (StataCorp, College Station, TX, USA).
Categorical variable analysis (using groups as defined in previously reported studies (Koukourakis et al, 2000; Giatromanolaki et al, 2000) showed similar results (data not shown).
Hazard ratios or risk differences were estimated using Cox multivariable regression models, propensity score matching, and instrumental variable analysis using physicians' prescribing preferences as an instrument.
First, while our study contains data from more than 34 000 participants, very large numbers of observations are required for an instrumental variable analysis using a single nucleotide polymorphism (SNP) that explains only 0.1% of the R of alcohol.
The one-fast/two-slow decomposition used here contrasts with the two-fast/one-slow variable analysis used previously for pseudo-plateau bursting [10 13].
46 47 Instrumental variable analysis, used commonly in economics, has also been used to address unmeasured confounding.
An instrumental variables analysis using CRP genotypes or haplotypes as a proxy for CRP would inform whether CRP levels are causally associated with CIMT [16].
Surrogate-Variable Analysis using the ComBat algorithm was performed to reduce batch effects (Fig. S1A and B show strong dataset-specific effects prior to batch-effect removal).
Households in which the primary case was a PS or JH student were subjected to multi-variable analysis using an accelerated failure time model to evaluate the contribution of covariates to the SI.
Our instrumental variables analysis uses the proportion of the variation in CRP that is explained by rs1130864 to provide an estimate of causal effect that is not biased by confounding, reverse causality or attenuation by errors.
In the instrumental variable analysis, use of a proton pump inhibitor (compared with an H2 receptor antagonist) was associated with an increased risk of pneumonia of 8.2 (95% confidence interval 0.5 to 15.9) cases per 1000 patients.
