Table 2 Correlations between clinicopathological features and recurrence status for 201 postoperative colorectal cancer patients
Characteristics | Total cases N (%) | Early recurrence N (%) | Non-early recurrence N (%) | P |
|---|---|---|---|---|
Gender | ||||
   Male | 118 (58.7) | 17 (56.7) | 101 (59.1) | 0.806 |
   Female | 83 (41.3) | 13 (43.3) | 70 (40.9) | |
Age (years) | ||||
   >60 | 120 (59.7) | 23 (76.7) | 97 (56.7) | 0.105 |
   51~60 | 48 (23.9) | 5 (16.7) | 43 (25.1) | |
   ≦ 50 | 33 (16.4) | 2 (6.6) | 31 (18.2) | |
Tumor Size | ||||
   <5 cm | 107 (53.2) | 16 (53.3) | 91 (53.2) | 0.991 |
   ≧ 5 cm | 94 (46.8) | 14 (46.7) | 80 (46.8) | |
Location | ||||
   Colon | 146 (72.6) | 22 (73.3) | 124 (72.5) | 0.926 |
   Rectum | 55 (27.4) | 8 (27.7) | 47 (27.5) | |
Depth of tumor invasion | ||||
   T2 | 26 (12.9) | 0 (0) | 25 (14.6) | 0.025 |
   T3 + T4 | 175 (87.1) | 30 (100) | 146 (85.4) | |
Lymph node metastasis | ||||
   Negative | 110 (54.7) | 10 (33.3) | 100 (58.5) | 0.011 |
   Positive | 91 (45.3) | 20 (66.7) | 71 (41.5) | |
Stage (UICC)a | ||||
   II | 105 (52.2) | 9 (30) | 96 (56.1) | 0.008 |
   III | 96 (47.8) | 21 (70) | 75 (43.9) | |
Histology | ||||
   Well + moderately differentiated | 170 (84.6) | 23 (76.7) | 147 (86) | 0.193 |
   Poorly differentiated | 31 (15.4) | 7 (23.3) | 24 (14) |