Fig. 1From: Impact of immediate initiation of antiretroviral therapy among men who have sex with men infected with HIV in Chengdu, southwest China: trends analysis, 2008–2018Temporal trend of HIV sentinel seroprevalence among MSM in Chengdu between 2008 and 2018. *Indicates that the Annual Percent Change (APC) is significantly different from zero at the alpha = 0.05 level. Joinpoint: year 2013Back to article page