Fig. 3
The Kaplan-Meier survival curve showing the risk of AD across the three BMI groups. A: 37–59 (years), B: 60–73 (years). The BMI (23–30 kg/m2) group was used as control group, and the differences between the three groups (< 23 kg/m2, 23–30 kg/m2, and > 30 kg/m2) were evaluated using log-rank tests