Table 7.
Clinicopathological differences between RSCC and LSCC
| Characteristic | Left-sided colon (n = 327) (%) |
Right-sided colon (n = 77) (%) |
p-value |
|---|---|---|---|
| Sex | |||
| Male | 166 (50.8) | 34 (44.2) | 0.297 |
| Female | 161 (49.2) | 43 (55.8) | 0.297 |
| T1 | 13 (4.6) | 3 (4.2) | 0.907 |
| T2 | 47 (16.4) | 5 (7.0) | 0.045 |
| T3 | 110 (38.5) | 29 (40.9) | 0.712 |
| T4 | 116 (40.56) | 34 (47.9) | 0.263 |
| T3, T4 | 226 (79.0) | 63 (88.7) | 0.062 |
| Lymph node status | |||
| No | 105 (42.3) | 19 (31.7) | 0.131 |
| N1 | 97 (39.1) | 27 (45.0) | 0.404 |
| N2 + N3 | 46 (18.6) | 14 (23.3) | 0.402 |
| Metastasis | |||
| Mo | 242 (84.6) | 56 (78.9) | 0.243 |
| M1 | 44 (15.4) | 15 (21.1) | 0.243 |
| Stage | |||
| Stage I | 48 (16.8) | 8 (11.3) | 0.253 |
| Stage II | 70 (24.5) | 14 (19.7) | 0.397 |
| Stage III | 116 (40.6) | 30 (42.3) | 0.795 |
| Stage IV | 52 (18.2) | 19 (26.8) | 0.105 |
| Grade (%) | |||
| G1 (well differentiated) | 79 (24.9) | 8 (10.7) | 0.008 |
| G2 (moderately differentiated) | 206 (65.0) | 53 (70.7) | 0.349 |
| G3 (poor differentiated) | 32 (10.1) | 14 (18.7) | 0.038 |
| G2 + G3 (moderate or poorly differentiated) | 238 (75.1) | 67 (89.3) | 0.007 |
| Lymphovascular invasion (LVI) | 203 (85.3) | 60 (96.8) | 0.014 |
| Histological subtype | |||
| SRCC | 13 (4.1) | 3 (4.0) | 0.956 |
| MAC | 27 (8.5) | 12 (15.8) | 0.056 |
| AC | 278 (87.4) | 61 (80.3) | 0.106 |