Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The journey of patient with diabetes. (System dynamic model simulates the growth trend of diabetes mellitus, China. 2020–2050). Boxes are stocks that accumulate over time, and double arrows are in- or outflows that either provide input or take the output of stocks. The blue arrows indicate the links between cause and effect. Clouds are outputs that “flow out of the system” like death. The system contains the differential equations described in the “Building the DM Model” section.
