Table 2.

Data for Kt/V, urea reduction rate, ultrafiltration volume and UF-heparin dose during the last performance of UF-heparin HD before start of the tinzaparin period.

Variables	Mean (SD)	Median
Kt/V	1.46 (0.32)	1.47
Urea reduction by dialysis, %	72.8 (5.5)	72.5
Ultrafiltration volume, liters	1.50 (1.10)	1.55
Ultrafiltration, % of body weight	2.1 (1.9)	2.0
UF-heparin total dose, Units	7573 (1533)	7500