Table 5.

Therapy Applied to the Study Groups

	rhTSH-aided RAI therapy	THW-aided RAI therapy	p-Value
Mean first dose activity (mCi)	222.4±120.8	203.5±61.5	0.444
Mean TSH at the time of the first dose application (mIU/mL)	42.3±44.9	65.9±40.2	0.126
D-Rx-aided treatment	80%	46.3%	0.024a
Number of repeated dosages	I dose: 80%	I dose: 46.3%	0.188
	II doses: 20%	II doses: 34.1%
	III doses: 0%	III doses: 9.8%
	IV doses: 0%	IV doses: 9.8%
Mean total cumulative dose (mCi)	256±136.7	414.7±257	0.027a
Mean urine iodine (μg/L)	117.7±54.8	86.7±72.2	0.279
Additional surgical treatment of metastatic lesions	13.3%	31.7%	0.150
Additional radiotherapy treatment	33.3%	22%	0.294
Treatment with zolendronic acid	33.3%	14.6%	0.121
Total duration of follow-up (months)	33.5±24.2	86.2±224.7	0.372
Duration of follow-up after the last dose of 131I (months)	25.2±24.9	32.5±27.3	0.368

^aStatistically significant difference.

RAI, radioiodine.