These efforts have been fruitful when it comes to developing risk models and bolstering diagnoses; her own hospital has adopted data analytics for both of these purposes to great effect. However she said that this only gives a partial picture. She noted that only 20 percent of health care takes place at the provider; beyond seeing doctors and getting medicine, matters such as diet, exercise and mood can have great impacts on health, and being able to take these matters into account can help greatly in the more holistic value-based payment model.