Retrospective Study
Copyright ©The Author(s) 2022.
World J Clin Cases. Sep 16, 2022; 10(26): 9285-9302
Published online Sep 16, 2022. doi: 10.12998/wjcc.v10.i26.9285
Table 3 Baseline data of the patients in the different risk groups
VariableDerivation cohort
Validation cohort
High risk
Low risk
P value
High risk
Low risk
P value
Sex0.2350.015
Female11612996122
Male1069412398
Age, yr0. 7420.416
< 6510198102111
≥ 65121125117109
TNM stage0.0010.017
Ι + Ⅱ159189174195
Ⅲ + Ⅳ63344423
Unknown12
T stage0.002< 0.001
T1579749100
T2132102142106
T32314217
T49865
Tx1212
Status< 0.0010.003
Surviving11615987119
Non-surviving10664132101