Table 5.

Effects of mineral waters on urine electrolytes and urine parameters of the acid–base status

	LBHP			MBMP			HBLP			MBLP			Intergroup comparison
	t0	t4	Pa	t0	t4	Pa	t0	t4	Pa	t0	t4	Pa	Pbt0	Pbt4
Spot urine pH	5.99 ± 0.58	5.54 ± 0.63	0.003	5.86 ± 0.59	6.25 ± 0.75	0.007	6.16 ± 0.71	6.33 ± 0.49	0.252	5.85 ± 0.72	6.13 ± 0.62	0.025	0.277	<0.001
Urine volume (L/24 h)	2.33 ± 1.08	2.71 ± 1.11	0.072	2.45 ± 1.10	2.86 ± 1.01	0.059	2.18 ± 0.77	2.58 ± 0.74	0.013	1.89 ± 0.88	2.49 ± 0.73	<0.001	0.145	0.639
Urine pH (24 h)	6.23 ± 0.66	6.08 ± 0.65	0.143	6.18 ± 0.67	6.48 ± 0.49	0.068	6.11 ± 0.69	6.79 ± 0.42	<0.001	6.24 ± 0.78	6.73 ± 0.70	0.008	0.887	<0.001
TA (mmol/L)	5.70 ± 7.63	3.59 ± 4.05	0.068	4.87 ± 7.83	2.23 ± 3.24	0.041	6.25 ± 10.3	2.38 ± 3.23	<0.001	6.84 ± 11.7	2.98 ± 4.50	0.014	0.605	0.699
NH4+(mmol/L)	30.4 ± 15.1	25.1 ± 12.7	0.148	24.4 ± 9.74	18.4 ± 4.98	0.003	30.0 ± 19.2	19.9 ± 11.0	<0.001	32.4 ± 23.9	18.6 ± 6.72	<0.001	0.606	0.052
HCO3− (mmol/L)	7.01 ± 10.66	4.42 ± 6.57	0.216	4.57 ± 5.31	7.91 ± 4.91	0.007	6.49 ± 11.91	12.92 ± 7.71	0.002	8.09 ± 15.43	9.18 ± 6.41	0.175	0.990	<0.001
Creatinine (mmol/L)	1.25 ± 0.30	1.18 ± 0.33	0.224	1.27 ± 0.48	1.31 ± 0.45	0.846	1.45 ± 0.41	1.42 ± 0.51	0.292	1.19 ± 0.50	1.27 ± 0.45	0.248	0.104	0.289
Uric acid (g/dL)	0.53 ± 0.13	0.51 ± 0.17	0.310	0.51 ± 0.19	0.53 ± 0.21	0.638	0.57 ± 0.19	0.57 ± 0.25	0.766	0.45 ± 0.19	0.49 ± 0.15	0.156	0.114	0.574
Ca2+(mmol/L)	4.17 ± 1.86	6.23 ± 2.53	<0.001	4.52 ± 2.08	5.41 ± 2.26	0.010	3.98 ± 2.16	4.66 ± 2.13	0.022	4.02 ± 2.19	4.65 ± 2.48	0.085	0.654	0.037
Mg2+ (mmol/L)	4.17 ± 1.20	5.58 ± 2.10	0.001	4.23 ± 2.03	5.46 ± 1.45	0.003	4.41 ± 1.85	6.67 ± 1.73	<0.001	3.59 ± 1.68	4.34 ± 1.88	0.025	0.248	<0.001
K+ (mmol/L)	68.9 ± 22.5	68.2 ± 23.9	0.746	68.6 ± 31.0	73.4 ± 33.7	0.586	74.0 ± 23.9	79.0 ± 28.4	0.257	55.3 ± 25.9	59.8 ± 25.0	0.357	0.092	0.020
NAE (mEq/L)	29.29 ± 15.85	24.18 ± 11.60	0.339	25.77 ± 17.92	13.38 ± 9.04	0.001	34.50 ± 26.24	11.22 ± 10.99	<0.001	32.44 ± 26.34	15.31 ± 13.54	0.001	0.507	<0.001

Note: TA, titrable acid.

All p values < 0.05 were accounted as statistically significant.

^aWilcoxon test.

^bKruskal–Wallis test.