Sentence examples for using a compound symmetry from inspiring English sources

Repeated measure analysis of variance models were then fitted using a compound symmetry correlation structure.

Random-effects estimators included individual patients; fixed-effects estimators included treatment, visit, and treatment by visit interaction using a compound symmetry within-subject variance-covariance matrix.

The difference in change in BMI over time between genotypes was assessed with mixed models to account for repeated measures using a compound symmetry covariance structure and modeling BMI change over time as a linear function for simplicity.

Regression analysis using generalized estimating equation (GEE) methods, was used to correct prevalence estimates for lack of independence related to sampling of multiple individuals from the same pens using a compound symmetry (exchangeable) correlation structure.

In all models, we used a compound symmetry covariance structure.

We used a compound symmetry corrlation matrix in these models.

We used a compound symmetry structured covariance matrix within the work unit that allowed for a potentially negative correlation within the work unit.

To account for correlations between repeated ECG measures within the same individual, we used a compound symmetry covariance structure and included the lagged outcome in the model.

We used a compound symmetry covariance structure in fitting the model; we estimated SEs and tests using an estimated covariance matrix of parameter estimates that is robust to misspecification of the form of the covariance structure.

In multilevel analyses, we used a compound symmetry covariance model with a two-level structure consisting of up to five observations in time (lower level) and the subject (higher level).

Time trends in prescriptions and referrals were analysed by multilevel logistic regression, using a compound-symmetry model with three-level hierarchically structured data.