Table 2.

Effect of Capsule Intervention

Measure	Dextrose	Sodium	P Value
Systolic BP, mm Hg	108±11	108±8	0.90
Diastolic BP, mm Hg	61±7	61±6	0.83
Mean BP, mm Hg	77±7	77±6	0.83
Urinary Na+ excretion, mmol·24 h−1 a	140±68a	282±70a	<0.001a
Plasma Osmolality, mOsm·kg·H2O−1	294±5	294±5	0.69
Serum Na+, mmol/L	141.0±1.8	141.4±2.1	0.32
Serum K+, mmol/L	4.12±0.49	4.06±0.51	0.50
Serum Cl−, mmol/La	104.8±2.0a	106.2±1.8a	0.02a
Hematocrit, %	42.3±2.8	41.5±3.8	0.32
Hemoglobin, mg/dLa	13.5±1.0a	12.8±1.3a	<0.01a
Plasma NE, pg/mL	285.9±206.7	277.6±196.7	0.82
Plasma NE Indexed to Hemoglobin	21.3±15.5	21.4±14.9	0.97

Data are presented as mean±SD. BP indicates blood pressure; Cl⁻, chloride; K⁺, potassium; Na⁺, sodium; and NE, norepinephrine.

^aSignificant difference.