Sentence examples for have introduced selection from inspiring English sources

Finally, three of the randomly selected hospitals declined participation in this study, which may have introduced selection bias.

The incentives offered by GfK are modest, but may have introduced selection bias into this study.

Also, including only patients with NRBC measurements may have introduced selection bias.

Our sample size and convenience sampling may have introduced selection bias thus preventing a definitive correlation between eʹA and DD.

The case control design of the study may have introduced selection bias, as the primary outcome of survival is automatically unbalanced within the clinical profile of the groups.

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.

We now study a model where we have introduced selection in a simple, yet relevant, way for understanding influenza evolution.

The trial used a systematic rather than random allocation, but the method used was very unlikely to have introduced selection bias.

We recognized some limitations of our study; we were able to include only English and Spanish language articles due to the linguistic abilities of our team, and this could have introduced selection bias to our results.

Groups were comparable for TB risk factors but only a small number of eligible patients were tested for HIV infection and TB drug susceptibility, which could have introduced selection bias.

This might have introduced selection bias.