Use of the CHA2DS2-VASc Score for Risk Stratification of Hospital Admissions Among Patients With Cardiovascular Diseases Receiving a Fourth-Generation Synchronous Telehealth Program: Retrospective Cohort Study

Jen-Kuang Lee   ^{1, 2, 3} , MD, PhD ;   Chi-Sheng Hung   ^{1, 2} , MD, PhD ;   Ching-Chang Huang   ^{1, 2} , MD ;   Ying-Hsien Chen   ^{1, 2} , MD ;   Pao-Yu Chuang   ^{1, 4} , MSN ;   Jiun-Yu Yu   ^{1, 5} , PhD ;   Yi-Lwun Ho   ^{1, 2} , MD, PhD

¹ Telehealth Center, National Taiwan University Hospital, Taipei, Taiwan

² Division of Cardiology, Department of Internal Medicine, National Taiwan University College of Medicine and Hospital, Taipei, Taiwan

³ Department of Laboratory Medicine, National Taiwan University College of Medicine and Hospital, Taipei, Taiwan

⁴ Department of Nursing, National Taiwan University Hospital, Taipei, Taiwan

⁵ Department of Business Administration, College of Management, National Taiwan University, Taipei, Taiwan