A nurse manager is preparing the annual report of the unit's quality outcomes. Utilizing the Agency for Healthcare Research (AHRQ) National Healthcare Quality Report will assist the manager to determine?

a) Legal standards to guide practice in hospital and ambulatory settings in the United States
b) Trends in access to care, patient safety, care coordination, health patient-centeredness, and cost-efficiency of care
c) Best practices for guidelines in practice for hospitals, ambulatory, and long-term care facilities
d) Best evidence from systematic reviews of the 15 most common healthcare interventions to impact patient outcomes