Task: Answer Verification
Input (English): Question: Does change in health-related quality of life in patients with coronary artery disease predict 4-year mortality?
Answer: A deterioration of ≥0.50 points in MacNew HRQL Global scores at both one and three months is predictive of 4-year all-cause mortality. Serial HRQL information may be useful to identify patients at higher risk for adverse cardiac events and mortality and may have implications for determining follow-up frequency and treatment in individual patients.
Output (English): yes