Study on the Correlation between Urinary Sodium and Potassium Excretion and Blood Pressure in Adult Hypertensive Inpatients of Different Sexes

Table 4

Multiple stepwise linear regression between 24-hour urinary sodium and potassium excretion and 24-hour ambulatory blood pressure parameters.

Male	24 hSBP
	Unadjusted				After adjustment
	b	S.E	t		b	S.E	t
24-hour urinary sodium	0.028	0.013	2.177		0.028	0.013	2.190
24-hour urinary potassium	−0.129	0.041	−3.188		−0.131	0.040	-3.232
	dSBP
	Unadjusted				After adjustment
	b	S.E	t		b	S.E	t
24-hour urinary potassium	−0.110	0.042	−2.594		−0.111	0.042	−2.650
	nSBP
	Unadjusted				After adjustment
	B	S.E	t		B	S.E	t
24-hour urinary sodium	0.035	0.014	2.506		0.035	0.014	2.506
24-hour urinary potassium	−0.127	0.044	−2.878		−0.127	0.044	−2.878
Female	24 hSBP
	Unadjusted				After adjustment
	b	S.E	t		b	S.E	t
24-hour urinary sodium	0.127	0.019	6.668		0.123	0.019	6.480
24-hour urinary potassium	−0.162	0.049	−3.288		−0.161	0.049	−3.285
	24 hDBP
	Unadjusted				After adjustment
	b	S.E	t		b	S.E	t
24-hour urinary sodium	0.051	0.016	3.238		0.052	0.013	3.832
	dSBP
	Unadjusted				After adjustment
	b	S.E	t		b	S.E	t
24-hour urinary sodium	0.125	0.020	6.174		0.121	0.020	5.994
24-hour urinary potassium	−0.141	0.052	−2.702		−0.140	0.052	−2.690
	dDBP
	Unadjusted				After adjustment
	b	S.E	t		b	S.E	t
24-hour urinary sodium	0.059	0.015	4.041		0.060	0.013	4.590
	nSBP
	Unadjusted				After adjustment
	b	S.E	t		b	S.E	t
24-hour urinary sodium	0.125	0.021	6.049		0.119	0.020	5.838
24-hour urinary potassium	−0.180	0.053	−3.372		−0.177	0.052	−3.384
	nDBP
	Unadjusted				After adjustment
	b	S.E	t		b	S.E	t
24-hour urinary sodium	0.050	0.013	3.898		0.049	0.011	4.279

Note. The following variables were adjusted: age, BMI, history of diabetes, and history of hyperlipidemia.