Overall,31% of subjects had chronic kidney disease( CKD), defined as baseline GFR no greater than60 mL/ min per1.73 m, and6% had anemia.

• 整体而言，31%25受试者有慢性肾脏疾病(KD)界定为肾小球滤过率(FR)线不大于60毫升/分钟1.；73米，和6%25贫血。