[Retracted] Effect of Radioimmunoassay on Accuracy of Thyroid Hormone Detection

Table 4

Causes of inaccurate results of radioimmunoassay for T4.

Influence factor	Personal factors				Hospital factors
	Smoking	Taking drugs that affect results	Having a disease that affects the outcome	Other reasons	Improper blood collection	Improper storage and transportation of blood samples
Number	30	24	34	16	40	16