Fig. 2

Trends of ASRIC and ASRMC of OPC in China, 2003–2012. a The ASRIC increased during 2003–2006, remained stable during 2007–2012. The OPC incidence increased in males, especially in rural areas. b The ASRMC was stable over the study period (2003–2012) for females, whereas significant upward trends were observed for males. There was an increase in mortality over the time period both in urban and rural areas