Fig. 2From: Global, regional, and national trends of syphilis from 1990 to 2019: the 2019 global burden of disease studyThe change trends of incident cases, ASIR and EAPC among different SDI quintiles. Note: A indicates the variation trend of ASIR in different SDI over time, B indicates the incident cases of different SDI, C indicates the correlation between SDI and ASR among 21 regions, D indicates the ASIR in map, E indicates EAPC of ASIR in mapBack to article page