Fig. 2From: Systemic immune-inflammation index and in-stent restenosis in patients with acute coronary syndrome: a single-center retrospective studySmooth curve fitting for LnSII and DES-ISR. A linear relationship between LnSII and the risk of DES-ISR was detected by the generalized additive model. The solid line and dashed line represent the estimated values and their corresponding 95% confidence intervalBack to article page