Table 1.

TT4, fT4, BUN, creatinine, and body weight in 8 hyperthyroid cats before and after exclusive feeding of an iodine limited diet (mean, SD)

	Before	After	Reference Range	P
TT4 (μg/dL)	9.7 (5.2)	3.1 (0.9)	2.5–4.6	.008
fT4 (ng/dL)	4.7 (1.2)	1.7 (0.5)	0.7–2.6	<.001
BUN (mg/dL)	22.3 (6.6)	24.0 (6.3)	15–35	.31
Creatinine (mg/dL)	0.9 (0.3)	0.9 (0.2)	0.9–2.3	.52
Body weight (kg)	4.4 (1.1)	4.5 (1.0)		.45

TT4, Total thyroxine; fT4, Free thyroxine; BUN, blood urea nitrogen.