Fig. 5

Subgroup analysis on the association between waist circumference and new-onset hypertension. A The subgroup analysis between waist circumference and hypertension incidence across BMI categories and genders. Underweight: BMI < 18.5 kg/m2; normal weight: BMI, 18.5–23.9 kg/m2; overweight: BMI, 24–27.9 kg/m2; and obesity ≥ 28 kg/m2. B PSM analysis was performed on age, BMI, and lipid profile-matched subgroups