Hypervolemia for Hypertension Pathophysiology: A Population-Based Study

Table 2

Univariate analysis of systolic blood pressure categories.

Variables	Hypotensives; (SBP < 110 mmHg); ()	Normotensives; (140 > SBP ≥ 110 mmHg); ()	Hypertensives; (SBP ≥ 140 mmHg); ()
BMI (kg/m²)	26.38 ± 4.98	27.59 ± 4.39 a	29.49 ± 4.23 a* b*
ECW/height (L/m)	9.93 ± 1.58	10.34 ± 1.32 a*	10.78 ± 1.32 a* b*
Age	41.47 ± 11.69	44.36 ± 12.38 a	52.84 ± 11.23 a* b*
DM	0.06 ± 0.24	0.09 ± 0.28	0.18 ± 0.39 a* b*
Smoking	0.16 ± 0.37	0.16 ± 0.37	0.11 ± 0.31 b
FTI (kg/m²)	10.46 ± 5.12	11.22 ± 5.26	13.23 ± 5.14 a* b*
BSA (m²)	1.82 ± 0.19	1.88 ± 0.17 a*	1.91 ± 0.16 a* b*
TBW (L)	38.10 ± 7.14	39.88 ± 6.56 a	40.29 ± 6.64 a*
OH (L)	0.09 ± 1.09	0.03 ± 1.01	0.07 ± 1.11

; a: group versus hypotensives; b: group versus normotensives; .
SBP: systolic blood pressure, BMI: body mass index, ECW: extracellular water, DM: diabetes mellitus, FTI: fat tissue index, BSA: body surface area, TBW: total body water, and OH: overhydration.