Table 2.

The profile of radioactive iodine therapy

Therapy characteristics		Total Population (n = 147,674)
No. of patients receiving RAI therapy, n (%)		147,674
Age at 1st RAI therapy, mean ± SD		47.88 ± 12.09
Sex	male, n (%)	29,887	(20.24%)
	female, n (%)	117,787	(79.76%)
Days from surgery to RAIT, mean ± SD, day		128.28 ± 255.38
No. of RAI treatment
	mean ± SD	1.91 ± 1.10
	1, n (%)	59,703	(40.43%)
	2, n (%)	60,652	(41.07%)
	>  = 3, n (%)	27,319	(18.50%)
First dose of RAI therapy, n (%)
	≤ 3.7 GBq (≤ 100 mCi)	96,037	(65.03%)
	3.71—7.40 GBq (101–200 mCi)	51,235	(34.69%)
	> 7.4 GBq (> 200 mCi)	402	(0.27%)
	mean (SD), GBq	3.62 ± 1.89
Cumulative dose of RAI, n (%)
	≤ 100 mCi (≤ 3.7 GBq)	85,454	(57.87%)
	101–200 mCi (3.7—7.4 GBq)	52,109	(35.29%)
	201–300 mCi (7.4 – 10.1 GBq)	4,017	(2.72%)
	> 300 mCi (> 10.1 GBq)	6,094	(4.13%)
	mean ± SD, GBq	117.31 ± 83.93

RAI, radioiodine; SD, standard deviation