Table 1. Univariate Analysis According to Clinicopathologic Factors in 2522 Patients with 7 or more Lymph Nodes Resected Who Underwent Surgery for AEG.
| Factor | Patient (number) | 5-years survival rate | 95% CI | P value |
|---|---|---|---|---|
| All | 2522 | 32 | ||
| Gender | 0.261 | |||
| Male | 2039 | 31 | 61.6-79.4 | |
| Female | 483 | 35 | 62.7-71.2 | |
| Age (years) | <0.001 | |||
| <70 | 1627 | 34 | 73.4-84.1 | |
| ≥70 | 895 | 26 | 44.7-53.5 | |
| Race | 0.801 | |||
| White | 2215 | 31 | 63.3-71.5 | |
| Black | 102 | 34 | 46.3-79.1 | |
| Others | 202 | 38 | 57.1-81.2 | |
| Unknown | 3 | 33 | 9.4-29.9 | |
| Tumor size (mm) | <0.001 | |||
| <30 | 480 | 46 | 82.8-104.6 | |
| ≥30 | 1687 | 27 | 55.6-64.1 | |
| Unknown | 355 | 35 | 56.2-71.7 | |
| Grade | <0.001 | |||
| Well | 128 | 51 | 90.4-129.0 | |
| Moderately | 830 | 37 | 66.3-79.7 | |
| Poorly | 1337 | 25 | 51.8-61.4 | |
| Undifferentiated | 79 | 25 | 33.9-62.3 | |
| Unknown | 148 | 49 | 88.9-130.2 | |
| AJCC N stage | <0.001 | |||
| N0 | 885 | 57 | 99.3-115.0 | |
| N1 | 488 | 27 | 54.1-69.4 | |
| N2 | 583 | 21 | 43.6-56.2 | |
| N3 | 566 | 9 | 24.9-34.0 | |
| Lymph node ratio | <0.001 | |||
| LNR 0 | 885 | 57 | 99.3-115.0 | |
| LNR 1 | 569 | 29 | 57.4-72.8 | |
| LNR 2 | 471 | 20 | 41.9-54.9 | |
| LNR 3 | 597 | 8 | 23.5-31.6 | |