Table 2.
General characteristics and lymph node metastasis in the SEER database.
| Variable | Total (n% 2,294) | lymph node metastasis (n%) NO (1,961) | lymph node metastasis (n%) YES (333) | P value |
|---|---|---|---|---|
| Age (years) | 0.063 | |||
| <50 50–60 60–70 70–80 >80 |
191 (8.3%) 380 (16.5%) 661 (28.8%) 678 (29.5%) 384 (16.9%) |
153 (80.1%) 321 (84.4%) 568 (85.9%) 577 (85.1%) 342 (89.0%) |
38 (19.9%) 59 (15.6%) 93 (14.1%) 101 (14.9%) 42 (11.0%) |
|
| Race | 0.004 | |||
| White | 1,441 (62.8%) |
1,257 (87.2%) | 184 (12.8%) | |
| Black | 279 (12.1%) | 224 (80.2%) | 55 (19.8%) | |
| Others | 574 (25.1%) | 480 (83.6%) | 94 (16.4%) | |
| Sex | 0.843 | |||
| Male Female |
1,401 (61.0%) 893 (39.0%) |
1,196 (85.3%) 765 (85.6%) |
205 (14.7%) 128 (14.4%) |
|
| Tumor size (cm) | <0.001 | |||
| <2 2–5 >5 NA |
1,011 (44.0%) 767 (33.4%) 125 (5.4%) 391 (17.2%) |
908 (89.8%) 603 (78.6%) 78 (62.4%) 372 (95.1%) |
103 (10.2%) 164 (21.4%) 47 (37.6%) 19 (4.9%) |
|
| Grade | <0.001 | |||
| I II III/IV NA |
351 (15.3%) 755 (32.9%) 916 (39.9%) 272 (11.9%) |
335 (95.4%) 656 (86.8%) 710 (77.5%) 260 (95.5%) |
16 (4.6%) 99 (13.2%) 206 (22.5%) 12 (4.5%) |
|
| Organization type | 0.047 | |||
| SRC NSRC |
351 (15.3%) 1,943 (84.7%) |
288 (82.1%) 1,673 (86.1%) |
63 (17.9%) 270 (13.9%) |
|
| Depth | <0.001 | |||
| T1a T1b |
1,145 (56.3%) 1,149 (43.7%) |
1,083 (94.5%) 878 (76.4%) |
62 (5.5%) 271 (23.6%) |
|
| Primary site | 0.017 | |||
| Cardia Fundus Body Antrum Pylorus Lesser curve Greater curve Overlapping/NOS |
706 (30.8%) 55 (2.4%) 251 (10.9%) 666 (29.1%) 64 (2.7%) 216 (9.4%) 89 (3.9%) 247 (10.8%) |
627 (88.8%) 49 (89.0%) 209 (83.2%) 558 (83.7%) 47 (73.4%) 185 (85.6%) 75 (84.3%) 211 (85.4%) |
79 (11.2%) 6 (11.0%) 42 (16.8%) 108 (16.3%) 17 (26.6%) 31 (14.4%) 14 (15.7%) 36 (14.6%) |