RRF had positive correlation with KT/V,Ccr/w and volume of residual urine ( r =0.56,0.83,0.80, respectively), had negative correlation with dialysis time,volume of ultrafiltration ( r =-0.41 and -0.33, respectively), and had no correlation with PV/S.是什么意思_RRF had positive correlation with KT/V,Ccr/w and volume of residual urine ( r =0.56,0.83,0.80, respectively), had negative correlation with dialysis time,volume of ultrafiltration ( r =-0.41 and -0.33, respectively), and had no correlation with PV/S.在线翻译_英语_读音_用法_例句