Sentence examples for matched variables was from inspiring English sources

The selection of matched variables was carefully consulted with program staff.

The only administrative outcome that became nonsignificant when adjusted for APS and incompletely matched variables was 60-day readmission.

However, matched case-control studies create 2 problems: 1) coefficients for matched variables are essentially meaningless (or null), leading to distortion of risk predictions, and 2) the restricted distribution of matched variables means that discrimination appears reduced.

Multivariable unconditional logistic regression was used to control for confounding variables in the analysis of the questionnaire data, and all matched variables were forced into the model to account for the matching process.

Logistic regression, conditioned on matching variables, was used to calculate odds ratios (ORs) and corresponding 95% confidence intervals (95% CIs).

Logistic regression analysis was conducted for a subset of the material, in which all information regarding genetic factors, antibodies and matching variables was available.

Selection of matching variables was informed by the anticipated effects of the intervention as well as the observed improvement in MCS (derived from the SF-12) in the earlier observational study.

For each variable of interest, the outputs of these engines can be (O1) a single best matching variable is found, (O2) more than one matching variable is found or (O3) not matching variables are found.

APR-DRGs and RISKD, as matching variables, were not included in the model.

After the matching, matching variables were more balanced than before, although there was still a small difference in age (mean 37 years vs 39 years, p = 0.08).

In subsequent analyses, individual matching was disregraded because in our study, matching variables were spatially neutral (Cuzick and Edwards 1990; Diggle 2003).