Sentence examples for might have selection from inspiring English sources

Although the percentage of refused or moved populations was relatively low in CFAS interviews (less than 20%), those with disadvantaged socioeconomic status, poor cognition and health status more were likely to drop out or die over the 10 years, therefore this analysis might have selection bias.

This rigid selection might have caused selection bias, which might be consider as a limit of the present investigation, but on the other hand, this methodology assured a great homogeneity among the selected patients which is challenging in a retrospective study.

Induced or spontaneous abortions might have introduced selection bias if the drug reduces the survival of a fetus or if exposed women undergo more intensive screening.

Volunteers may represent subjects with the most severe headaches, and this might have caused selection bias.

Also, cases that were allocated to receive I TSF were more complex cases than those receiving only conventional circular frames, which might have introduced selection bias.

Second, the retrospective nature of the study might have induced selection bias despite the careful classification of patients included in the analysis.

This might have introduced selection bias.

Thus the study might have a selection bias.

This might have introduced selection bias among respondents.

Furthermore, non-responders from all specialities might have introduced selection bias.

This might have caused selection bias resulting in incomparability of treatment arms [ 30, 31].