Sentence examples for clustering practice from inspiring English sources

The PROC GENMOD procedure in SAS version 9.1 was used because it allows specifying two levels of clustering (practice site and individual).

Intra-cluster (practice) correlation coefficients will be determined and published for all primary outcome variables to assist future research.

In cluster randomised trials the outcome for each patient cannot be assumed to be independent of that of any other patient since the patients within one cluster (practice) are more likely to have similar outcomes.

All main data analyses adhere to the intention-to-treat principle, quantifing the intervention effect both at the level of the cluster (practice), and at the level of the individual patient.

This assumption is violated in our case because people were sampled in clusters (practices).

Estimating a drop-out rate of about 20%, 306 participants will be recruited for randomisation, distributed across 24 clusters (practices).

Using 60 clusters (practices) we would need 524 participants to have the same power as an individually randomised trial.

For the primary endpoint a generalized multi-level model, that takes the randomized clusters (practices) as random effect into account, with antibiotic prescription rate at T2 as dependent and random group as independent variable, will be fitted to the data.

There was no evidence of clustering by practice (that is, between practice variation in the outcome rate) for suicide, self harm, and all cause mortality for varenicline or bupropion compared with nicotine replacement therapy (P=1.00, indicating no clustering by practice).

For practice-level characteristics, analyses were adjusted for clustering by practice.

Practices might differ in their prescription patterns, so we will account for clustering by practice.