Table 3 Single correlation analyses with SBP parameters

From: Characteristics of visit-to-visit blood pressure variability in hemodialysis patients

Variable	Pre-VIM-SBP		Post-VIM-SBP		Maximum Δ SBP		Average Δ SBP		Percentage of Δ SBP		Minimum of the lowest SBP		Average of the lowest SBP
	ρ	P	ρ	P	ρ	P	ρ	P	ρ	P	ρ	P	ρ	P
Age	0.101	0.068	0.181	0.001	0.083	0.134	0.071	0.204	0.111	0.046	−0.156	0.005	−0.158	0.004
Gender	−0.076	0.171	0.028	0.610	−0.099	0.076	−0.115	0.039	−0.151	0.006	0.155	0.005	0.177	0.001
Body mass index	−0.049	0.380	−0.064	0.248	−0.021	0.700	−0.025	0.649	−0.018	0.747	0.000	0.996	−0.032	0.566
Performance status	0.231	<0.001	0.218	<0.001	0.216	<0.001	0.230	<0.001	0.235	<0.001	−0.187	<0.001	−0.123	0.027
Primary disease	0.112	0.044	0.212	<0.001	0.109	0.050	0.161	0.004	0.131	0.018	−0.062	0.263	0.026	0.638
Duration of hemodialysis therapy	0.028	0.615	0.125	0.024	0.189	<0.001	0.207	<0.001	0.242	<0.001	−0.172	0.002	−0.185	<0.001
Smoking history	0.009	0.865	−0.008	0.886	−0.023	0.680	−0.017	0.755	−0.061	0.272	0.116	0.037	0.143	0.010
Past history of cardiovascular diseases	0.028	0.619	0.062	0.261	0.033	0.554	−0.016	0.775	−0.013	0.819	−0.066	0.234	−0.025	0.656
Medications (RAS-I)	−0.070	0.207	0.020	0.717	0.039	0.479	−0.015	0.794	−0.081	0.144	0.140	0.012	0.238	<0.001
Medications (β-blocker)	0.069	0.214	0.068	0.225	0.092	0.098	0.083	0.136	0.073	0.187	−0.080	0.152	0.001	0.990
Medications (CCB)	−0.089	0.108	0.008	0.893	−0.112	0.043	−0.125	0.024	−0.222	<0.001	0.306	<0.001	0.377	<0.001
Average %BW	0.044	0.429	0.164	0.003	0.302	<0.001	0.309	<0.001	0.320	<0.001	-0.306	<0.001	−0.193	<0.001
Kt/V	−0.058	0.298	−0.037	0.505	0.126	0.023	0.168	0.002	0.207	<0.001	−0.172	0.002	−0.202	<0.001
CTR	0.085	0.128	0.049	0.374	0.117	0.035	0.091	0.101	0.110	0.048	−0.145	0.009	−0.134	0.016
Hemoglobin	0.031	0.579	0.055	0.323	0.070	0.209	0.092	0.097	0.131	0.018	−0.158	0.004	−0.172	0.002
HDL-cholesterol	−0.002	0.972	−0.017	0.770	−0.002	0.977	−0.016	0.771	−0.058	0.306	0.097	0.084	0.155	0.006
LDL-cholesterol	0.080	0.153	0.003	0.964	0.121	0.030	0.081	0.145	0.073	0.192	−0.047	0.399	−0.014	0.796
Triglyceride	0.000	0.994	−0.075	0.183	0.036	0.527	0.042	0.453	0.102	0.070	−0.162	0.004	−0.172	0.002
Calcium	−0.170	0.002	−0.106	0.057	−0.068	0.218	−0.033	0.557	−0.033	0.552	−0.008	0.882	−0.018	0.740
Inorganic phosphorus	−0.010	0.859	0.042	0.451	0.084	0.131	0.054	0.328	0.041	0.459	−0.016	0.777	−0.001	0.986
Intact-parathyroid hormone	0.056	0.314	−0.105	0.058	−0.007	0.903	−0.024	0.669	−0.051	0.361	0.050	0.373	0.056	0.317
Creatinine	−0.130	0.019	−0.026	0.637	0.029	0.605	0.020	0.722	0.026	0.646	0.014	0.800	−0.003	0.950
Uric acid	−0.074	0.184	−0.011	0.837	0.056	0.316	0.052	0.351	0.060	0.283	−0.032	0.564	−0.033	0.554
CRP	0.063	0.255	0.097	0.081	0.048	0.384	0.037	0.503	0.060	0.277	−0.147	0.008	−0.108	0.051
Albumin	−0.148	0.007	−0.131	0.018	0.015	0.784	0.044	0.434	0.057	0.302	−0.055	0.323	−0.068	0.218
Glycoalbumin	0.091	0.234	0.048	0.535	−0.024	0.758	0.033	0.669	0.049	0.520	0.001	0.988	−0.015	0.844
hANP	0.107	0.054	0.159	0.004	0.102	0.066	0.101	0.070	0.067	0.232	−0.034	0.543	0.036	0.519
BNP	0.022	0.703	0.069	0.228	0.012	0.836	−0.036	0.525	−0.116	0.042	0.155	0.006	0.230	<0.001
LVMI	−0.045	0.433	−0.043	0.453	−0.022	0.702	−0.068	0.232	−0.127	0.026	0.164	0.004	0.229	<0.001
LVEF	−0.037	0.518	0.106	0.064	0.105	0.065	0.141	0.014	0.145	0.011	−0.082	0.150	−0.076	0.185
E/A	−0.075	0.205	−0.007	0.901	−0.074	0.208	−0.109	0.064	−0.111	0.059	0.027	0.646	0.084	0.152
Dec-T	0.130	0.023	0.078	0.173	0.109	0.057	0.084	0.144	0.091	0.113	−0.035	0.545	−0.053	0.353
baPWV (higher)	0.003	0.971	0.178	0.040	0.178	0.041	0.161	0.064	0.129	0.139	−0.097	0.266	−0.031	0.727
baPWV (average)	0.009	0.918	0.184	0.034	0.179	0.039	0.166	0.056	0.137	0.115	−0.099	0.255	−0.041	0.641

SBP systolic blood pressure, VIM variation independent of mean, pre-VIM-SBP VIM of pre-dialysis SBP, post-VIM-SBP VIM of post-dialysis SBP, Δ SBP difference between the highest and lowest values of SBP, percentage of Δ SBP Δ SBP × 100/the highest SBP, RAS-I renin-angiotensin system inhibitor, CCB calcium channel blocker, CTR cardiothoracic ratio, %BW percentage of body weight gain, CRP C-reactive protein, hANP human atrial natriuretic peptide, BNP brain natriuretic peptide, LVEF left ventricular ejection fraction, LVMI left ventricular mass index, E/A early filling over atrial filling, Dec-T deceleration time, baPWV brachial-ankle pulse wave velocity

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Table 3 Single correlation analyses with SBP parameters

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