Empircal methods in accounting and finance CO 4: Investigate safeguards and decision‐making support tools embedded in patient care technologies and information systems to support a safe practice environment for both patients and healthcare workers. (PO 4) CO 6: Discuss the principles of data integrity, professional ethics, and legal requirements related to data security, regulatory requirements, confidentiality, and client’s right to privacy. (PO 6) CO 8: Discuss the value of best evidence as a driving force to institute change in the delivery of nursing care. (PO 8)