Fig. 2From: A comparison of DALYs for periodontal disease in China between 1990 and 2013: insights from the 2013 global burden of disease studyThe percentage of PD standardized DALYs rate in all diseases DALYs in 1990 and 2013 as province displaying. Blue bar represent data of 1990, Red bar represent 2013’s. a Provincial % PD SDR in all diseases DALYs in 1990 and 2013. b Provincial variance ratio of % PD SDR in all diseases DALYs between 1990 and 2013Back to article page