Characteristics | NMA | MA | P-value | |
---|---|---|---|---|
(n = 2,673) | (n = 144) | |||
Gender | 0.772 | |||
Female | 1,072 | 56 | ||
Male | 1,601 | 88 | ||
Age, years | 0.271 | |||
< 65 | 1,183 | 57 | ||
≧ 65 | 1,490 | 87 | ||
Location | 0.090 | |||
Colon | 1,516 | 92 | ||
Rectum | 1,157 | 57 | ||
Size, cm | < 0.001 | |||
< 5 | 1,715 | 59 | ||
≥ 5 | 958 | 85 | ||
Preoperative serum CEA, ng/ml | < 0.001 | |||
<5.0 | 1,858 | 80 | ||
≧5.0 | 815 | 64 | ||
Depth of invasiona | < 0.001 | |||
T1, T2 | 979 | 13 | ||
T3, T4 | 1,694 | 131 | ||
Lymph node metastasisa | 0.002 | |||
N0 | 1,602 | 68 | ||
N1, N2 | 1,071 | 76 | ||
Distant metastasisa | 0.010 | |||
M0 | 2,319 | 114 | ||
M1 | 354 | 30 | ||
Number of metastatic sites | 0.019 | |||
0 | 2,319 | 114 | ||
1 | 269 | 25 | ||
≧ 2 | 86 | 5 |