Table 2. Change of Clinical Characteristics after Treatment.

	Baseline	6 month	12 month	P value(baseline-6 months)	P value(6–12 months)	P value(baseline-12 months)
SBP (mmHg)	157 ± 23	143 ± 20	141 ± 22	<0.001	0.173	<0.001
DBP (mmHg)	92 ± 14	88 ± 12	86 ± 11	0.004	0.106	<0.001
baPWV (cm/s)	1636 ± 310	1533 ± 278	1562 ± 313	<0.001	0.248	0.006
haPWV (cm/s)	1096 ± 138	1048 ± 129	1049 ± 130	<0.001	0.415	0.005
Potassium (mmol/L)	3.5 ± 0.8	4.4 ± 0.5	4.4 ± 0.4	<0.001	0.545	<0.001
PAC (ng/dL)	61 ± 40	28 ± 19	33 ± 25	<0.001	0.018	<0.001
PRA (ng/mL/hr)	1.0 ± 3.1	3.1 ± 6.4	4.5 ± 10.8	<0.001	0.216	<0.001
Log PAC	1.7 ± 0.3	1.4 ± 0.3	1.5 ± 0.2	<0.001	0.009	<0.001
Log PRA	−0.8 ± 0.8	0.1 ± 0.6	0.2 ± 0.6	<0.001	0.110	<0.001
Log ARR	2.3 ± 0.9	1.3 ± 0.6	1.3 ± 0.6	<0.001	0.712	<0.001

Values are mean ± SD. SBP = systolic blood pressure; DBP = diastolic blood pressure; PAC = plasma aldosterone concentration; PRA = plasma renin activity; Log PAC = log-transformed plasma aldosterone concentration; Log PRA = log-transformed plasma renin activity; Log ARR = log-transformed aldosterone to renin ratio; baPWV = brachial-ankle pulse wave velocity; haPWV: = heart-ankle pulse wave velocity.