骨质疏松症以骨量降低为主要特征,是目前一种严重威胁老年人(尤其是绝经后妇女)健康和生活质量的慢性疾病。随着世界人口不断老龄化,骨质疏松症将逐渐成为全球性公共卫生问题。美国开展的研究显示,骨质疏松性骨折有很高的致残率与较高的致死率,致残率达33%,且20%的病人在骨折后1年内死亡。保守地估计,目前我国骨质疏松症患者已超过 Osteoporosis, a key feature of osteopenia, is currently a chronic disease that seriously threatens the health and quality of life of older people, especially postmenopausal women. As the world’s population ages, osteoporosis will gradually become a global public health issue. Studies conducted in the United States have shown that osteoporotic fractures have a high morbidity and mortality rate of 33%, and 20% of patients die within 1 year after fracture. It is conservatively estimated that at present, there are more patients with osteoporosis in our country