Nevertheless, we have little reason to believe that this increase in the size of the NCDB had a clinically significant impact on our overall results because when we examined the racial and ethnic composition of the database, it remained fairly constant, with a small trend toward greater inclusion of non-white patients (23% of potentially trial-eligible patients in 2000–2003 vs 26% in 2008–2012) over time.
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A Case-Control Study Examining Disparities in Clinical Trial Participation Among Breast Surgical Oncology Patients.
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