How is quality of healthcare data defined? In terms of accuracy, completeness, or relevance?

• How is quality of healthcare data defined? In terms of accuracy, completeness, or relevance?
• If there are multiple or conflicting definitions of quality, in your opinion, which is the best definition?
• What are the factors that contribute to poor data quality in a healthcare database?
• In your opinion, which of these factors is the most important to address first?

Support your answers with references, examples, and clearly written rationales. ]]>