Table II.

Results of Pearson correlations of the biochemical test values for the hyperthyroid cats

Parameters, concentrations	r	P-value
Ionized magnesium and logarithmically transformed T4	−0.670	0.006a
Total magnesium and logarithmically transformed T4	−0.426	0.114
Ionized and total magnesium	0.894	0.000a
Ionized magnesium and total protein	0.214	0.443
Total magnesium and total protein	0.436	0.105
Ionized magnesium and potassium	0.397	0.143
Total magnesium and potassium	0.498	0.059
Ionized magnesium and total calcium	0.115	0.682
Total magnesium and total calcium	0.160	0.569

T4 — thyroxine

^aSignificant at P < 0.05