Table IV.

Single factor analysis for PTC patients.

Influencing factors	n	5-year survival rate (%)	HR	P-value
Sex			0.77	0.036
Male	75	60.6
Female	82	69.4
Age			0.84	0.574
≥45	69	64.7
<45	88	60.1
Tumor diameter			1.91	0.617
≥20 mm	61	50.3
<20 mm	96	63.4
Lymph node metastasis			0.67	0.007
Yes	49	55.6
No	108	67.4
TNM staging			0.52	0.057
I–II	85	68.1
III–IV	72	50.2
Number of lesions				0.011
Single	79	67.4
Multiple	78	52.7