Table I.
Characteristics | Values |
---|---|
Sex (male:female) | 56:54 |
Age (years) | 66.2 (35–80) |
Primary tumor stage (T1-3:T4) | 24:86 |
Nodal involvement (N0:N1-3) | 27:83 |
Distant metastasis (M0:M1) | 22:88 |
Serum levels of CEA (<5.0:>5.0) | 36:74 |
Groups were balanced on sex, age. But, participants were fairly balanced on tumor node metastasis classification. CEA, carcinoembryonic antigen.