Clinical characteristics of all patients, patients without morphometric vertebral fractures, SDI≥1 and SDI≥5.

Data are expressed as mean±SD, and median (range) for not normally distributed variables, if not differently specified.*SDI = 0 vs SDI≥1; #SDI = 0 vs SDI≥5; SDI: Spinal Deformity Index; YSM: Years since menopause; BMI: Body Mass Index: weight (Kg)/height 2 (m2); BF: breast feeding expressed in months; COPD: chronic obstructive pulmonary disease; T2D: Type 2 diabetes mellitus; SDI: Spinal Deformity Index calculated according to the method described by Crans (see Methods);