All subjects underwent spirometry, measurement of aortic pulse wave velocity (PWV) and augmentation index, dual-energy X-ray absorptiometry, and blood sampling for inflammatory mediators.

• 所有的研究对象接受肺量测定法，测量主动脉脉冲速度和增强指数，双能X线吸收仪和采集血样分析炎性介质。