Table 2.

Baseline and post-treatment laboratory parameters among urea only–treated patients

Laboratory Parameter	Baseline	24 h	End of Therapy
Plasma sodium, mEq/L	125 [122–127]	127 [124–129]; P=0.02	131 [129–136]; P=0.001
BUN, mg/dl	16 [10–20]	24 [20–35]; P=0.001	42 [26–53]; P<0.001
Serum creatinine, mg/dl	0.8 [0.75–1]	0.8 [0.75–1]; P=0.91	0.9 [0.75–1]; P=0.59
Urine osmolality, mOsm/kg	365 [361–561]a	450 [359–522.5]b; P=0.12	546 [542–602]c; P=0.13
Urine sodium, mEq/L	75 [42–105]a	NA	50 [37–76]c; P=0.06

Data are presented as median [interquartile range]. P values represent comparison with baseline values. NA, not available.

^aOne missing value.

^bEight missing values.

^cSeven missing values.