Three days following administration of radioactive iodine in 38 patients, exposure rates such as dose rate close to the dress (D0), dose rate of dress at 1 m (D1), dose rate close to the bedsheet (B0), dose rate of bedsheet at 1 m (B1), dose rate of patient at 1 m (P1) and also sum of D1 and B1 (S1) were measured using a radiation detection survey metre with a calibrated ionisation chamber. The patient population consisted of 36 females and 2 males with mean age 38.92 +/- 15.76 y. A considerable correlation was found between age and P1 (r = 0.37 and p = 0.02), and administered dose and P1 (r = 0.43 and p = 0.006). It is recommended that a document should be prepared for practitioners and also all individuals coming in contact with older patients are to be made aware of the contamination and radiation hazards.
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