Table 2.

Effects of rehydration with 0.9% NaCl on plasma, urinary, and body weight parameters in calcitriol-treated rats

	Groups
Parameter	Calcitriol	Calcitriol +0.9% NaCl
Plasma Na+ (mmol/l)	139 ± 0.4	140 ± 0.7
Plasma Ionized Ca2+, mmol/l	1.39 ± 0.03	1.37 ± 0.05
PTHm pg/ml	35.2 ± 12.6	5.6 ± 3.5
Plasma osmolality, mosmol/kgH2O	304 ± 1	302 ± 2
24-h Urine volume, ml/24 h	35.6 ± 3.8	55.9 ± 4.1**
Urinary Na+ excretion, mmol/24 h	1.70 ± 0.10	6.23 ± 0.63***
Urinary Ca2+ excretion, mg/24 h	17.04 ± 5.71	19.31 ± 1.31
Creatinine clearance, ml·min−1·g kidney wt−1	0.56 ± 0.04	0.56 ± 0.02
Urine osmolality, mosmol/kgH2O	677 ± 101	622 ± 47
Basal body weight, g	258 ± 4	262 ± 4
Final body weight, g	270 ± 6	272 ± 5
Food consumed, g/day	19.4 ± 0.9	19.8 ± 1.0
H2O consumed, ml/day	69 ± 4	61 ± 4
Plasma epinephrine, pg/ml	1,695.0 ± 182.9	985.5 ± 139.5*

Values are mean ± SE.

^*P < 0.05 vs. calcitriol.

^**P < 0.01 vs. calcitriol.

^***P < 0.001 vs. calcitriol.