The following sources were cited in SAP Digital Futures Issue 09 Digital Medicine: Healing Better

Healthcare invests more in treatment than prevention; approximately 86 % of U.S. healthcare spending is for chronic conditions.
“Chronic Diseases: The Leading Causes of Death and Disability in the United States, Centers for Disease Control and Prevention,” Centers for Disease Control and Prevention, accessed November 18, 2015,

 Remote patient monitoring for conditions like heart disease, asthma, and diabetes could save more than US$200 billion.
David H. Roman, et al., The Digital Revolution Comes to US Healthcare: Technology, Incentives Align to Shake Up the Status Quo (Goldman, Sachs & Co., June 29, 2015),

Telehealth options (estimated to be a $25 billion market in 2015) for routine and psychological care could save $100 billion.
“eVisits: The 21st Century House Call,”, March 6, 2014,

The global medical technology market is estimated to reach $513.5 billion by 2020, from $363.8 billion in 2013.
2015 Global Life Sciences Outlook: Adapting in an Era of Transformation (Deloitte, 2014),

In 2015, the U.S. Food and Drug Administration approved the first 3D-printed drug.
“First 3D-Printed Drug Approved by FDA,” CNNMoney, August 4, 2015,