Table 1.

Comparison of estimated urinary excretion of ions associated with the acid-base balance which were obtained by averaging data of last 3 experimental days in the acid diet with those in the alkali diet (n = 102).

	alkali diet	acid diet	p
urine volume(L/d)	1.50 ± 0.63	1.37 ± 0.65	NS
pH	6.51 ± 0.34	5.92 ± 0.28	<0.01
ammonium(mmol/d)	24.11 ± 12.78	52.13 ± 13.27	<0.01
phosphate(mmol/d)	24.64 ± 10.37	35.76 ± 14.69	<0.01
sulfate(mmol/d)	9.94 ± 3.25	21.51 ± 6.21	<0.01
uric acid (mg/d)	413.40 ± 81.76	302.84 ± 134.78	<0.01