Table 1.
Characteristic comparisons between patients in the TD (+) and TD (−) groups. Note: Grade I/II are analogous to well diferentiated or moderately differentiated, and grade III/IV are analogous to poorly diferentiated or undifferentiated. Abbreviations: AJCC, American Joint Committee on Cancer system.
| Characteristics | Tumour Deposit Status | P Value | ||||
|---|---|---|---|---|---|---|
| Positive | Negative | Univariate Analysis | Multivariate Analysis | |||
| Sex | 0.437 | 0.681 | ||||
| Male | 1490 | 52.0% | 18614 | 51.3% | ||
| Female | 1373 | 48.0% | 17678 | 48.7% | ||
| Age (Years) | 0.000 | 0.960 | ||||
| <70 | 1819 | 63.5% | 21217 | 58.5% | ||
| ≥70 | 1044 | 36.5% | 15075 | 41.5% | ||
| Race | 0.566 | 0.104 | ||||
| Black | 304 | 10.6% | 3687 | 10.2% | ||
| White | 2148 | 75.0% | 27187 | 74.9% | ||
| Other | 411 | 14.4% | 5418 | 14.9% | ||
| AJCC T Stage | 0.000 | 0.000 | ||||
| T1/T2 | 195 | 6.8% | 12207 | 33.6% | ||
| T3/T4 | 2668 | 93.2% | 24085 | 66.4% | ||
| AJCC N Stage | 0.000 | 0.000 | ||||
| N0 | 250 | 8.7% | 23021 | 63.4% | ||
| N1 | 1606 | 56.1% | 8823 | 24.3% | ||
| N2 | 1007 | 35.2% | 4448 | 12.3% | ||
| AJCC M Stage | 0.000 | 0.000 | ||||
| M0 | 2004 | 70.0% | 33012 | 91.0% | ||
| M1 | 859 | 30.0% | 3280 | 9.0% | ||
| AJCC TNM Stage | 0.000 | 0.000 | ||||
| Stage I | 25 | 0.9% | 10196 | 28.1% | ||
| Stage II | 186 | 6.5% | 11996 | 33.1% | ||
| Stage III | 1793 | 62.6% | 10820 | 29.8% | ||
| Stage IV | 859 | 30.0% | 3280 | 9.0% | ||
| Grade | 0.000 | 0.042 | ||||
| Grade I/II | 2087 | 72.9% | 30139 | 83.0% | ||
| Grade III/IV | 776 | 27.1% | 6153 | 17.0% | ||
| Histological Type | 0.000 | 0.970 | ||||
| Adenocarcinoma | 2595 | 90.6% | 33488 | 92.3% | ||
| Mucinous adenocarcinoma | 201 | 7.0% | 2281 | 6.3% | ||
| Signet ring cell carcinoma | 37 | 1.3% | 243 | 0.7% | ||
| Other | 30 | 1.0% | 280 | 0.8% | ||
| Location | 0.002 | 0.001 | ||||
| Colon | 2071 | 72.3% | 27190 | 74.9% | ||
| Rectum | 792 | 27.7% | 9102 | 25.1% | ||