Background higher levels of serum phosphorus and the calcium - phosphorus product are associated with increased mortality from cardiovascular disease ( cvd ) in patients with chronic kidney disease ( ckd ) or prior cvd 背景：升高的血清无机磷水平和钙磷乘积在慢性肾病或者先前有心血管疾病患者中心血管疾病增高的死亡率相关。
