Table 3. Multivariate Logistic Regression Analysis of Significant Risk Factors for Recurrence in Filipinos with Well-Differentiated Thyroid Cancer.

Risk factor	Odds ratio (95% CI)	P value
Papillary thyroid cancer
Age >45 yr	1.44 (1.09-1.89)	0.010
Lymph node metastases at presentation (N1)	4.00 (2.99-5.34)	<0.001
Distant metastases at presentation (M1)	2.78 (1.59-4.84)	<0.001
Multifocality	1.43 (1.05-1.95)	0.023
Follicular variant histology	0.60 (0.37-0.97)	0.037
Postsurgical radioactive ablation	0.31 (0.24-0.42)	<0.001
Follicular thyroid cancer
Distant metastases at presentation (M1)	19.4 (6.28-59.96)	<0.001
Postsurgical radioactive ablation	0.41 (0.17-0.98)	0.044

CI, confidence interval.