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Table 2 Summary of selected aspects of study quality for the 27 studies aimed at improving quality of health care for racial/ethnic minorities

From: Improving health care quality for racial/ethnic minorities: a systematic review of the best evidence regarding provider and organization interventions

Selected Quality Assessment Domains and Items Articles (Total N = 27)
  N %
Representativeness
- Healthcare providers clearly described? 20 74%
Bias/confounding
- Adequate comparison group? 26 96%
- Adequate randomization? 11 41%
Intervention description
- Complete description (able to replicate)? 24 89%
Outcome assessment
- Blinding? 9 67%
- Pre- and post-test? 13 48%
Analysis
- Numbers and reasons of non-inclusion? 18 67%
- Complete statistical analysis? 24 89%