Table I.

Basic information of the study cohort.

Patient information	Data
Sex
Male	195
Female	117
Age, years
Mean	64.5
Median	65
Range	30–90
Ethnicity
Asian	82
White	204
African	6
Tumor grade
G1	5
G2	107
G3	193
GX	7
Patient survival
Yes	220
No	92
Follow-up time, days
Mean	651
Median	509
Range	0–3, 720