Table 1 Patient and disease characteristics
Group A | Group B | p-value | ||
|---|---|---|---|---|
N = 197 | N = 211 | |||
Age | Median | 62.4 | 63.7 | 0.45 |
Range | 23.7–74.7 | 36.6–75.0 | ||
BMI | Median | 26.75 | 26.90 | 0.89 |
Range | 17.9–34.6 | 17.3–35.0 | ||
N (%) | N (%) | |||
Gender | Female | 86 (43.6) | 94 (44.5) | 0.91 |
Male | 111 (56.4) | 117 (55.5) | ||
PS (ECOG) | 0 | 177 (91.7) | 195 (93.7) | 0.37 |
1 | 16 (8.3) | 13 (6.3) | ||
Unknown | 4 | 3 | ||
Anemia (Hb < 12g/dL) | No | 148 (77.9) | 161 (78.9) | 0.75 |
Yes | 42 (22.1) | 43 (21.1) | ||
Unknown | 7 | 7 | ||
Weight loss | No | 181 (94.8) | 191 (93.6) | 0.61 |
Yes | 10 (5.2) | 13 (6.4) | ||
Unknown | 6 | 7 | ||
TNM stage | II | 61 (31.9) | 68 (33.5) | 0.66 |
T3N0 | 54 (88.5) | 60 (88.2) | ||
T4N0 | 7 (11.5) | 8 (11.8) | ||
III | 130 (68.1) | 135 (66.5) | ||
TxN1 | 81 (62.3) | 83 (61.5) | ||
TxN2 | 49 (37.7) | 52 (38.5) | ||
Unknown | 6 | 8 | ||
Histological grade | Grade 1 | 12 (6.3) | 12 (5.9) | 0.82 |
Grade 2 | 139 (72.4) | 152 (74.9) | ||
Grade 3 | 41 (21.3) | 39 (19.2) | ||
Unknown | 5 | 8 | ||
Mucinous component | No | 120 (67.8) | 128 (72.7) | 0.35 |
Yes | 57 (32.2) | 48 (27.3) | ||
Unknown | 20 | 35 | ||
Obstruction | No | 167 (85.2) | 179 (86.1) | 0.84 |
Yes | 29 (14.8) | 29 (13.9) | ||
Unknown | 1 | 3 | ||
Perforation | No | 181 (92.0) | 190 (91.8) | 0.95 |
Yes | 16 (8.0) | 17 (8.2) | ||
Unknown | 0 | 4 | ||
LVI/PNI (stage II)a | No | 48 (80.0) | 57 (85.1) | 0.45 |
Yes | 12 (20.0) | 10 (14.9) | ||
Unknown | 1 | 1 | ||
Primary site | Right colonb | 58 (29.5) | 64 (30.8) | 0.89 |
Left colonb | 86 (43.6 %) | 87 (41.8 %) | ||
Rectum | 53 (26.9 %) | 57 (27.4 %) | ||
Unknown | 0 | 3 | ||