Sentence examples for prevented selection bias from inspiring English sources

This prevented selection bias and gave us a relatively high statistical precision.

We believe that the concealment of the allocation sequence was carefully planned and thus prevented selection bias.

A major strength of our study is the prospective design and the high proportion of responders at follow-up (97%, 111/114) which prevented selection bias.

The main strength of our lexicographic analysis was the inclusion of all PubMed abstracts over four decades, which would have prevented selection bias.

Thirty-nine (66%) studies prevented selection bias with adequate randomization; 15 (25%) blinded both participants and assessors; in 18 (31%) the field intensity had been assessed appropriately, with SAR values ranging from 0.03 to 2 W/kg tissue.

Although it is unlikely that differences in these variables between RA patients and controls are of sufficient size to yield biased results, patients and controls were matched on age and gender and randomly selected to prevent selection bias.

Second, the universal health care system (and small private hospital sector) 40 prevents selection bias arising from selective inclusion of specific hospitals, health insurance systems, income levels, or age groups.

To prevent selection bias and increase confidence in our ability to generalise results we randomly selected studies and randomly allocated them to each reviewer.

In RCTs, formal chance (randomization) determines treatment allocation, which prevents selection bias from distorting the measure of treatment effects.

The main advantage of an RCT is that the randomization procedure helps to prevent selection bias by the clinician by breaking the link between the clinician's therapy prescription and the patient's prognosis.

Two important articles were excluded because of preventing selection bias.