Table 4. Urinary data of uremic rats (Day 1 and Day 7).

	UV	24 hrCcr	FEP
Day 1	ml/day	ml/min	%
Nx+NP (n = 6)	10±1	1.7±0.3	8±1
Nx+HP (n = 7)	14±4	1.4±0.1	23±2†
Nx+IV (n = 8)	18±2	1.5±0.1	24±2†
Day 7
Nx+NP (n = 6)	13±1	1.9±0.3	9±2
Nx+HP (n = 7)	17±3	1.7±0.1	30±3$
Nx+IV (n = 8)	16±2	1.4±0.1	32±4$

Data are means ±s.e.; UV, urine volume; Ccr, creatinine clearance; FEP, fractional excretion of phosphate; NP, normal phosphate diet; HP, high phosphate diet; IV, intravenous phosphate load.

^†P<0.05 versus Nx+NP (Day 1),

^$P<0.05 versus Nx+NP (Day 7).