Table 3.

ATA risk classification according to the responses to therapy.

ATA risk classification	n (%)	Excellent response (n = 461)	Indeterminate response (n = 65)	Biochemicalincomplete response (n = 83)	Structural incomplete (n = 65)	p-values
Low risk	404 (60.0%)	318 (68.9%)	36 (55.4%)	44 (53.0%)	6 (9.2%)	<0.001
Intermediate risk	127 (18.8%)	76 (16.5%)	14 (21.5%)	18 (21.7%)	19 (29.2%)
High risk	143 (21.2%)	67 (14.5%)	15 (23.1%)	21 (25.3%)	40 (61.5%)

Significant differences in the proportions (p-value) were determined by chi-square analysis.

ATA, American Thyroid Association.