Recurrence Factors and Characteristic Trends of Papillary Thyroid Cancer over Three Decades

Table 3

Potential factors of persistent/recurrent papillary thyroid cancer.

	Univariate analysis			Multivariate analysis
Factor	HR	95% CI	value	HR	95% CI	value
Age ≥55 years	2.83	1.41–5.68	0.003	2.67	1.27–5.61	0.010
Male	1.89	0.91–3.92	0.086
High ATA risk	2.27	1.20–4.29	0.012	1.73	0.86–3.45	0.122
Tumor size >4 cm	3.24	1.45–7.22	0.004	2.16	0.91–5.12	0.081
Coexistence of Hashimoto’s thyroiditis	0.12	0.03–0.53	0.005	0.16	0.04–0.68	0.013
BMI >27 kg/m^2	0.84	0.34–2.04	0.696
Multifocality	1.52	0.78–2.98	0.219
Extrathyroidal extension	1.84	0.66–5.19	0.244