Table 1.
Characteristics | Total | Resection | Nonresection | P value |
---|---|---|---|---|
N = 1547 | N = 897 | N = 650 | ||
Gender | .005 | |||
Male | 842 | 461 | 381 | |
Female | 705 | 436 | 269 | |
Age at diagnosis | .007 | |||
<60 | 767 | 471 | 296 | |
≥60 | 780 | 426 | 354 | |
Race | .002 | |||
White | 1231 | 738 | 493 | |
Black | 208 | 112 | 96 | |
Other* | 108 | 47 | 61 | |
Primary tumor site | <0.001 | |||
Stomach | 99 | 19 | 80 | |
Small intestine | 556 | 447 | 79 | |
Colorectum | 391 | 233 | 158 | |
Pancreas | 501 | 168 | 333 | |
Primary tumor size | <.001 | |||
≤2 cm | 278 | 245 | 33 | |
2‐4 cm | 428 | 314 | 114 | |
≥4 cm | 602 | 307 | 295 | |
Unknown | 239 | 31 | 208 | |
LN metastases | <.001 | |||
Yes | 958 | 717 | 241 | |
No | 464 | 167 | 297 | |
Unknown | 125 | 13 | 112 | |
Differentiation | <.001 | |||
Well differentiated | 726 | 505 | 221 | |
Moderately differentiated | 310 | 204 | 106 | |
Poorly differentiated | 352 | 122 | 230 | |
Undifferentiated | 159 | 66 | 93 |
Other*: American Indian/AK Native, Asian/Pacific Islander, unknown.
Abbreviation: LN: lymph nodes.