Figure 1

Kaplan-Meier plot showing the recurrence-free survival in patients stratified by MetS and smoking status over the follow-period (p for log-rank test < 0.001). Group 1: non-MetS with non-smoker; Group 2: MetS with non-smoker; Group 3: non-MetS with current smoker; Group 4 MetS with current smoker. The light color shade surrounding each curve indicates 95% CI.