Table 3. Test results of FT3, FT4 and TSH in hyper- and hypothyroidism samples by Siemens.

Group	n	FT3 (pmol/L)	FT4 (pmol/L)	TSH (μIU/mL)
Control	100	5.00±0.5	16.97±1.72	1.82±0.90
Hyperthyroidism	107	11.89±5.92	31.45±12.29	0.02±0.06
t		11.87	12.06	19.34
P		<0.0001	<0.0001	<0.0001
Hypothyroidism	57	3.79±0.88	11.44±2.72	17.79±17.95
t		9.57	13.87	6.71
P		<0.0001	<0.0001	<0.0001

The data are expressed as the mean ± standard deviation. FT3, free triiodothyronine; FT4, free thyroxine; TSH, thyroid stimulating hormone.