Table 3.

Weighted correlation (Spearman rho) between peritoneal phosphate clearance versus other parameters of patient and therapy for continuous ambulatory (CAPD), continuous cyclic (CCPD), automated peritoneal dialysis (APD) and all pooled therapies.

Weighted Spearman rho	Peritoneal phosphate clearance
	CAPD	CCPD	APD	All
Age	− 0.14	0.09	0.19**	− 0.08
Weight	− 0.47***	0.51***	− 0.27***	− 0.19***
Height	− 0.24**	0.05	− 0.10	− 0.07
Body mass index	− 0.42***	0.42***	− 0.21**	− 0.15**
Body surface area	− 0.44***	0.50***	− 0.26***	− 0.18***
Total body water	− 0.25**	0.45***	− 0.17*	− 0.07
Serum creatinine	0.08	− 0.04	− 0.12	0.01
Serum urea	0.12	0.12	− 0.01	0.07
Serum phosphorus	− 0.19*	− 0.39**	− 0.12	− 0.27***
Serum glucose	− 0.07	0.07	0.24**	0.10
Serum albumin	− 0.25**	− 0.18	− 0.31***	− 0.14**
Dialysis time	0.40***	0.42***	0.05	0.56***
Cycle no	0.52***	0.29*	0.03	− 0.14**
Infused volume	0.36***	0.45***	0.18*	− 0.03
Drained volume	0.36***	0.45***	0.12	0.00
Ultrafiltration	0.13	0.11	− 0.01	0.16**
Urine volume	− 0.38***	− 0.13	− 0.31***	− 0.32***
Peritoneal urea KT/V	0.70***	0.17	0.62***	0.60***
Renal urea KT/V	− 0.38***	− 0.14	− 0.29***	− 0.32***
Total urea KT/V	0.15	0.10	0.15*	0.14**
Peritoneal creatinine clearance	0.94***	0.77***	0.88***	0.93***
Renal creatinine clearance	− 0.37***	− 0.14	− 0.31***	− 0.32***
Total creatinine clearance	0.11	0.59***	0.09	0.18***
Creatinine PET D/P	0.29**	0.36**	0.51***	0.34***
Renal phosphate clearance	− 0.35***	− 0.14	− 0.26***	− 0.31***
Total phosphate clearance	0.57***	0.95***	0.40***	0.50***
Peritoneal phosphorus removal	0.67***	0.64***	0.69***	0.75***
Renal phosphorus removal	− 0.39***	− 0.14	− 0.29***	− 0.34***
Total phosphorus removal	0.15	0.61***	0.23**	0.24***

‘***’, ‘**’ and ‘*’ denote p value < 0.001, < 0.01 and < 0.05, respectively.