Fig. 3

Associations of PNI level and clinical outcomes across different subgroups. The associations of PNI level and DM-related mortality were assessed using the same multivariable cox regression model 3 in each subgroup. PNI, prognostic nutritional index; DM, Diabetes mellitus; HR, hazard ratio; CI, confidence interval; SBP, systolic blood pressure; OADs, oral antidiabetic drugs