Fig. 1

The distribution of primary care providers (PCPs)
Note: The PCPs who participated in the survey came from 21 prefecture-level cities in Guangdong Province. The hue of the colors in the graph indicates the number of PCPs, with darker colors representing a higher number of PCPs. Those with labels in red letters are for the Pearl River Delta (PRD) and those with labels in black letters are for the non-Pearl River Delta (NPRD)