Table 3. Changes in urine calcium excretion in 10 cases of Dent disease before and after treatment with dihydrochlorothiazide and potassium citrate.

Patient	UC/Ucr (g/gcr)			Urine calcium excretion (mmol/kg/24 h)
	Before	After	Decreased percent	Before	After	Decreased percent
No.1	0.31 ± 0.07	0.15 ± 0.02	51.61%	0.19 ± 0.02	0.09 ± 0.01	52.63%
No.2	0.56 ± 0.12	0.25 ± 0.08	55.36%	0.28 ± 0.03	0.13 ± 0.02	53.57%
No.3	0.48 ± 0.13	0.23 ± 0.06	50.08%	0.27 ± 0.01	0.13 ± 0.01	51.85%
No.4	0.35 ± 0.09	0.17 ± 0.03	51.43%	0.19 ± 0.01	0.08 ± 0.01	57.89%
No.5	0.38 ± 0.10	0.17 ± 0.03	55.26%	0.24 ± 0.02	0.10 ± 0.01	58.33%
No.6*	0.33 ± 0.09	0.16 ± 0.04	51.52%	0.23 ± 0.02	0.10 ± 0.01	56.52%
No.7*	0.32 ± 0.10	0.15 ± 0.03	53.13%	0.18 ± 0.01	0.09 ± 0.01	50.00%
No.8	0.31 ± 0.09	0.15 ± 0.04	51.61%	0.19 ± 0.02	0.08 ± 0.01	57.89%
No.9	0.35 ± 0.09	0.16 ± 0.05	54.29%	0.16 ± 0.02	0.07 ± 0.02	56.25%
No.10	0.35 ± 0.12	0.16 ± 0.08	54.29%	0.18 ± 0.03	0.08 ± 0.02	55.56%
Statistics	t = 13.254	p < 0.001		t = 16.515	p < 0.001

^*No.6 and No.7 are brothers; UC: Urine calcium; UCE: Urine calcium excretion; Ucr: Urine creatinine.