Table 2.

Pearson correlates between serum parameters of muscle cell permeability (Log CK, Log AST) and serum electrolytes (potassium, sodium, phosphorus, chloride, and magnesium) at mid race or at time of dropping from race for all dogs (n = 19).

Variable	Log CK	Log AST	K	Na	Cl	PO4	Mg
Log CK
r	1.0	0.99	−0.74	−0.50	0.19	0.80	0.34
P		< 0.01	< 0.01	0.03	0.44	< 0.01	0.17
Log AST
r		1.0	−0.75	−0.55	0.18	0.77	0.36
P			< 0.01	0.01	0.46	< 0.01	0.20
Potassium
r			1.0	0.31	−0.47	−0.60	−0.47
P				0.20	0.06	0.01	0.07
Sodium
r				1.0	0.20	−0.45	0.16
P					0.41	0.05	0.52
Chloride
r					1.0	−0.12	0.12
P						0.63	0.64
Phosphorus
r						1.0	0.34
P							0.17
Magnesium
r							1.0