Thyroid Cancer in Saudi Arabia: A Histopathological and Outcome Study

Table 4

Univariate analysis of predictive factors of outcome in the short term (6–12 months after RAI ablation).

Outcome at 6–12 months after RAI
Characteristic	Remission	Persistent disease	value
Male gender	41/98 (41.8%)	57/98 (58.2%)	<0.0001
Age (yrs)	37.9 ± 12.7	40.4 ± 16.3	0.067
Tumor size (cm)	3.4 ± 2.6	3.6 ± 2.3	0.74
Tumor multifocality	66/189 (44.6%)	82/191 (55.4%)	0.11
Extrathyroidal extension	68/220 (30.9%)	98/159 (61.6%)	<0.0001
Lymphovascular invasion	20/91 (22%)	36/61 (59%)	<0.0001
Lymph node metastasis	98/265 (35.8%)	133/194 (68.6%)	<0.0001
Distant metastasis	17/266 (6.4%)	44/194 (22.7%)	<0.0001