Sentence examples for balance between comparison groups from inspiring English sources

Propensity scores were constructed and used in an attempt to create balance between comparison groups [ 44, 45].

Since screening effects are likely to vary by age and time since screening, these variables may not be balanced between comparison groups.

Variance is similar between comparison groups.

There were no differences between comparison groups.

After matching, the preoperative characteristics were well balanced across the comparison groups.

The balance of the covariates between the comparison groups before and after matching was assessed using chi square tests of independence with those significantly different (p < 0.05) indicating imbalance of covariates.

A far superior approach is to rely on a randomized controlled trial to ensure that all these unmeasured differences between the comparison groups are all averaged out and balanced across groups so that the chances some unmeasured difference is driving the observed result is minimized.

Valid estimation of treatment effects requires, that the covariates included in the propensity score are balanced between treatment and comparison group after matching.

To strike a balance between practicability and academic rigor, we developed comparison groups from multiple perspectives, and used a series of tests consistent with WWC 3.0 standards to reach the most valid comparisons.

Therefore, outcome analysis on the matched data after matching tends to produce unbiased estimates of treatment effects due to reduced selection bias through balancing the distributions of observed covariates between the treatment and comparison groups [ 1, 2, 7].

Comparison of the total fluid balance between groups was performed using the Mann-Whitney U-test.