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

• 所有受试对象都进行肺活量测定、主动脉脉搏波速(PW)和增强指数测量、双能X-线吸收仪检查，以及炎症介质血样检测。