Table 5.

Changes in Hematocrit, Water Intake, Urinary Volume, Serum Uric Acid, and Erythropoietin from Baseline to Week 12

Variables	Baseline	Week 12	Change	P value
Hematocrit, %	41.7 ± 4.6	44.7 ± 4.7	3.0 ± 2.0 (2.0–3.9)	<0.0001
Water intake, mL/day	2272 ± 1145	2704 ± 1078	432 ± 693 (108–756)	0.0118
Urinary volume, mL/day	2759 ± 1019	3105 ± 1208	345 ± 686 (24–666)	0.0364
Serum uric acid, mg/dL	5.6 ± 1.4	5.4 ± 1.3	−0.2 ± 0.8 (−0.6 to 0.2)	0.2285
Erythropoietin, mIU/mL	9.8 ± 5.3	9.7 ± 5.7	−0.1 ± 3.7 (−1.8 to 1.7)	0.9245

Data are expressed as mean ± SD, mean ± SD (95% CI), and P-value by paired t-test (n = 20). Bold texts indicate P-value less than 0.05.