Assessment of thyroid gland hormones and ultrasonographic abnormalities in medical staff occupationally exposed to ionizing radiation

Table 1 Demographic data of the studied groups

	Participants exposed to radioiodine (Group I) (n = 40)	Participants exposed to X-ray (Group II) (n = 40)	Control group (Group III) (n = 40)	p
Age (years)
Min. – Max.	24.0–57.0	22.0–51.0	22.0–51.0	0.291
Mean ± SD.	33.91 ± 10.30	31.16 ± 7.92	30.59 ± 7.12	0.291
Sex: n (%)
Female	18 (45%)	14 (35%)	16 (40%)	0.321
Male	22 (55%)	26 (65%)	24 (60%)	0.321
Working period (years)
Min. – Max.	2–20	1–38	–
Mean ± SD.	7.50 ± 5.46	14.83 ± 10.91	–
Annual effective dose (mSv)
Min. – Max.	0.44–2.89	0.5–3.6	–
Mean ± SD.	1.22 ± 0.88	1.53 ± 0.91	–

p, p-value for comparing each radiation workers group and control group. Student t test was used

ISSN: 1472-6823