The Korean Journal of Pain

Table 2

Radiation Dose Measured with Thermoluminescent Dosimeters (TLDs)

Physician	TLD position	Radiation dose (mSv)	Radiation reduction with protection (%)
Fellow	Forehead	0.74
	Outside of thyroid protector	0.55
	Inside of thyroid protector	0.43	22
	Outside of apron	0.71
	Inside of apron	0.47	34
Professor	Forehead	0.62
	Outside of thyroid protector	0.47
	Inside of thyroid protector	0.32	32
	Outside of apron	0.64
	Inside of apron	0.42	35
Control	Inside operating room	0.40
	Outside operating room	0.37