Table 1.

Initial results in the 59-year old female patient before and during treatment with L-T₄

Date	TSH	FT4	FT3	L-T4 dose	Reference Range
Initial results	>100	-	-	none	TSH 0.27-4.0 μIU/ml (Siemens®)
					FT4 0.8-1.9 ng/ml (Siemens®)
					FT3 1.5-4.1 pg/ml (Siemens®)
13-14 weeks	12.74	6.8	6.7	75 μg
16 weeks	77.76	2.1	4.0	None for two weeks
Seven months	49.23	3.1	4.5	50 μg
Twelve months	8.41	4.8	5.6	88 μg