Table 1.
Comparison of clinicopathological features between married and unmarried patients with small intestinal adenocarcinoma
| Characteristics | Unmarried N=2,885, n (%) | Married N=3,862, n (%) | P |
|---|---|---|---|
| Gender | <0.001 | ||
| Male | 1,139 (39.5) | 2,517 (65.2) | |
| Female | 1,746 (60.5) | 1,345 (34.8) | |
| Age (years), mean ± SD | 69.54±14.93 | 66.47±12.76 | <0.001 |
| Race | <0.001 | ||
| White | 2,040 (70.7) | 3,095 (80.1) | |
| Black | 673 (23.3) | 474 (12.3) | |
| Othersa | 172 (6.0) | 293 (7.6) | |
| Insurance | <0.001 | ||
| Insured/Medicaid | 2,138 (74.1) | 2,891 (74.9) | |
| Uninsured | 93 (3.2) | 64 (1.7) | |
| Unknown | 654 (22.7) | 907 (23.4) | |
| Tumor primary site | 0.066 | ||
| Duodenum | 1,671 (57.9) | 654 (58.7) | |
| Jejunum | 374 (13.0) | 574 (14.9) | |
| Ileum | 370 (12.8) | 475 (12.3) | |
| Meckel’s diverticulum | 5 (0.2) | 4 (0.1) | |
| Overlapping lesion of small intestine | 38 (1.3) | 43 (1.1) | |
| Small intestine, NOS | 427 (14.8) | 498 (12.9) | |
| AJCC seventh TNM stage | 0.001 | ||
| I | 191 (6.6) | 244 (6.3) | |
| II | 362 (12.5) | 489 (12.7) | |
| III | 305 (10.6) | 544 (14.1) | |
| IV | 524 (18.2) | 665 (17.2) | |
| Unknown/NA/blank(s) | 1,503 (52.1) | 1,920 (49.7) | |
| AJCC seventh T stage | 0.008 | ||
| T0 | 7 (0.2) | 6 (0.2) | |
| T1 | 221 (7.7) | 278 (7.2) | |
| T2 | 65 (2.3) | 119 (3.1) | |
| T3 | 371 (12.9) | 599 (15.5) | |
| T4 | 564 (19.5) | 750 (19.4) | |
| TX/unknown/NA/blank(s) | 1,657 (57.4) | 2,110 (54.6) | |
| AJCC seventh N stage | 0.047 | ||
| N0 | 845 (29.3) | 1,082 (28.0) | |
| N1 | 362 (12.5) | 557 (14.4) | |
| N2 | 173 (6.0) | 266 (6.9) | |
| NX/unknown/NA/blank(s) | 1,505 (52.2) | 1,957 (50.7) | |
| AJCC seventh M stage | 0.328 | ||
| M0 | 1,024 (35.5) | 1,433 (37.1) | |
| M1 | 526 (18.2) | 666 (17.2) | |
| Blank(s) | 1,335 (46.3) | 1,763 (45.6) | |
| Grade | 0.012 | ||
| Well differentiated | 215 (7.5) | 292 (7.6) | |
| Moderately differentiated | 1,174 (40.7) | 1,629 (42.2) | |
| Poorly differentiated | 848 (29.4) | 1,209 (31.3) | |
| Undifferentiated/anaplastic | 34 (1.2) | 40 (1.0) | |
| Unknown | 614 (21.3) | 692 (17.9) | |
| Histology | 0.676 | ||
| Other adenocarcinoma | 2,542 (88.1) | 3,407 (88.2) | |
| Mucinous adenocarcinoma | 234 (8.1) | 297 (7.7) | |
| Signet ring cell | 109 (3.8) | 158 (4.1) | |
| Surgery | <0.001 | ||
| Yes | 1,612 (55.9) | 2,472 (64.0) | |
| No | 1,257 (43.6) | 1,367 (35.4) | |
| Unknown | 16 (0.6) | 23 (0.6) |
Note:
a
Including American Indian/AK native and Asian/Pacific Islander (N=448) and unknown race (N=17).
Abbreviations: AJCC, American Joint Committee on Cancer; NOS, not otherwise specified; NA, not applicable.