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患者的基线资料

Baseline demographic and clinical data of the patients

Item	Group A	Group B	Statistic	P
Male	24	23	χ2: 058	0.810
Age [year, Median (min-max)]	54 (27-82)	51 (19-83)	Mann-Whitney U: 2368.000	0.843
dialysis duration [months, Median (min-max)]	7(3-168)	25 (3-240)	Mann-Whitney U: 1575.500	< 0.001
ALP (U/L, Mean±SD)	60.71±12.14	203.36±214.10	t: -5.525	< 0.001
Phosphorus (mmoI/L, Mean±SD)	2.08±0.75	2.04±0.72	t: 0.139	0.710
Calcium (mmoI/L, Mean±SD)	2.27±0.22	2.28±0.28	t: 3.053	0.083
iPTH (pmol/Lcm2	25.98±22.25	85.11±86.88	t: 46.748	< 0.001
BMD of lumbar spine (g/cm2, Mean±SD)	1.022±0.184	1.018±0.193	t: 0.119	0.730
BMD of femur (g/cm2, Mean±SD)	0.783±0.162	0.729±0.151	t: 0.260	0.611