Concordance is fundamentally different from either compliance or adherence in two important areas: it focuses on the consultation process rather than on a specific patient behaviour, and it has an underlying ethos of a shared approach to decision-making rather than paternalism. Concordance refers to a consultation process between a health care professional and a patient. Compliance refers to a specific patient behaviour: did the patient take the medicine in accordance with the wishes of the health care professional?
- Read more here… pharmaceutical-journal.com (excellent article)
- Another great article from NCBI