Sentence examples for matching of control from inspiring English sources

Two common methods of minimising this variance are inclusion of covariates and matching of control and patient groups.

Matching of control subjects with individuals from all the diabetic groups at individual level was not possible.

Similarly, the matching of control to case periods by day of week ostensibly controls for the influence of "day of week" effects on the frequency of ED visits.

Matching of control patients (1 2 ratio) was made on the basis of the APACHE II score (± 2 points) and diagnostic category.

The factors that led to downgrading the quality of some studies included a lack of blinding, inappropriate matching of control groups and/or lack of clarity in describing the population, intervention and/or study design.

The strength of the association in children, as well as the lower background EBV seroprevalence in younger groups, highlights the importance of age matching of control groups when conducting case control studies in this area.

Because these imbalances could confound mortality assessments, matching of controls (up to three DAA-free patients for every DAA-treated patient) was done and achieved balance between groups (Table 1).

Matching of controls to cases for potential confounding factors is commonly used, although should be reserved for a limited number of key variables believed to be linked to both vaccination and disease.

Thus, especially with phenotypes where cases are likely to be geographically clustered, rigorous matching of controls may be needed in order to avoid effects of stratification.

No matching of controls to cases was performed.

**Assumes 3 1 matching of controls to index cases.