Table 4.

Hematologic Parameters During Exercise

Measure	Dextrose	Sodium	P Value
Serum Na+, mmol/L	143.1±1.0	143.1±1.6	0.94
Serum K+, mmol/L	4.69±0.25	4.60±0.35	0.56
Serum Cl−, mmol/L	106.7±1.9	106.9±2.0	0.87
pH	7.6±0.1	7.6±0.1	0.46
Lactate, mmol/L	2.3±2.2	2.7±1.8	0.47
Hemoglobin, mg/dL	15.1±0.3	14.9±0.3	0.28
Hematocrit, %	45.8±1.2	45.4±1.2	0.66
Plasma NE, pg/mL	1694±690	2186±830	0.25
Plasma NE indexed to hemoglobin	116.4±16.4	149.5±37.5	0.22

Data are presented as mean±SD. Cl⁻ indicates chloride; K⁺, potassium; Na⁺, sodium; NE, norepinephrine; and Osm, osmolality. N=9.