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, http://www.cdc.gov/chronicdisease/overview/.

 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), http://www.wageningenur.nl/upload_mm/0/f/3/8fe8684c-2a84-4965-9dce-550584aae48c_Internet%20of%20Things%205%20-%20Digital%20Revolution%20Comes%20to%20US%20Healtcare.pdf.

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,” WSJ.com, March 6, 2014, http://deloitte.wsj.com/cio/2014/03/06/evisits-the-21st-century-house-call/.

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), https://www2.deloitte.com/content/dam/Deloitte/global/Documents/Life-Sciences-Health-Care/gx-lshc-2015-life-sciences-report.pdf.

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, http://money.cnn.com/2015/08/04/technology/fda-3d-printed-drug-epilepsy/.