TABLE 1

Patient Characteristics

	Group
Characteristic	A	B	C	D
Start of vitamin C stimulation^*	1 h	5 h	13 h	25 h
Patients available (n)	18	18	19	17
Age (y)	44 ± 14	42 ± 14	43 ± 13	39 ± 12
Sex (n, M/F)	2/16	3/15	7/12	2/15
Papillary/follicular (n)	17/1	15/3	18/1	17/0
Thyroid-stimulating hormone^† (mU/L)	85.2 ± 15.2	91.0 ± 16.3	86.9 ± 12.2	83.2 ± 13.5

↵* After ¹³¹I ingestion.
↵† Normal range = 0.27–4.2 mU/L.
For all comparisons, P > 0.05.