Table 4.

The influence of specific prognostic factors on the CSS of PTMC patients, based on the log rank test.

Variable	Number	5-year CSS rate (%)	P value	10-year CSS rate (%)	P value
Gender			<0.001		<0.001
Female	1123	98.5		98.3
Male	3685	99.5		99.4
Race			0.312		0.234
White	4036	99.3		99.1
Black	316	100		100
Other1	460	99.1		98.9
Marital status			0.529		0.417
Married	2817	99.4		99.3
Unmarried	1717	99.1		99.0
Unknown	278	99.3		99.3
Insurance status			0.932		0.937
Insured	3771	99.3		99.3
Uninsured	21	100		100
Unknown	1020	99.1		98.6
Surgery			<0.001		<0.001
No surgery	29	93.1		93.1
Lobectomy	1318	99.6		99.5
Total thyroidectomy	3463	99.2		99.1
Unknown	2	100		100
Radiotherapy			<0.001		<0.001
Yes	1030	98.1		97.9
No	3720	99.6		99.5
Unknown	62	100		100
TNM stage			<0.001		<0.001
I-II	4174	99.7		99.6
III-IV	517	95.9		95.7
Unknown	121	98.3		98.3

PTMC, papillary thyroid microcarcinoma.

CSS, cancer-specific survival.

¹Includes American Indian/AK Native, Asian/Pacific Islander.