Sentence examples for matched between cases from inspiring English sources

The HLA genotypes were not matched between cases and controls.

To correct for the small differences in age, smoking status and gender mix between cases and controls, a subgroup (sensitivity) analysis was done (a) limited to those over 60 years of age (age weighting equally applied to all) and (b) where mean age, pack years and gender were closely matched between cases and controls (n = 450: 72 vs 69 yrs, 45 vs 43 pack years and 70% vs 70% male respectively).

In all but one of the included studies [ 7], age and sex were matched between cases and controls.

As screening exposure within 1 year was matched between cases and controls, it was not used for case control comparison.

However since sex distributions were not well matched between cases and controls, it could also reflect a stratification effect by sex.

The age was matched between cases (range, 22 85 years; median, 50 years) and controls (range, 23 70 years; median, 48 years).

This is largely due to lack of statistical power, poor definition of clinical phenotype and lack of matching between cases and controls.

In addition, previous studies did not ensure age matching and sex matching between cases and controls.

There were no differences in the variables used to perform matching between cases and controls (Table  1 ).

We used the TDT, which simultaneously evaluates linkage and association, thus avoiding biases due to the inevitable imperfections in matching between cases and controls.

Lack of body mass index (BMI) matching between cases and controls was another weakness of our study; however, we matched the patients and controls for sun exposure and subjects who received vitamin D supplements were excluded.