Table 1.
Clinical characters for patients with early cardia cancer and non-cardia cancer
| N | cardia | non-cardia | chi-square | P | |
|---|---|---|---|---|---|
| Gender | 231.401 | <0.001* | |||
| Male | 2504 | 1298 | 1206 | ||
| Female | 1437 | 387 | 1050 | ||
| Age | 33.258 | <0.001* | |||
| <65 | 1388 | 679 | 709 | ||
| ≥65 | 2553 | 1006 | 1547 | ||
| Marital status | 41.382 | <0.001* | |||
| Married | 2286 | 1076 | 1210 | ||
| Unmarried/Unknown | 1655 | 609 | 1046 | ||
| Race | 525.673 | <0.001* | |||
| White | 2798 | 1500 | 1298 | ||
| Others | 1143 | 185 | 958 | ||
| Histology | 80.28 | <0.001* | |||
| Adenocarcinoma | 3337 | 1527 | 1810 | ||
| Signet ring cell carcinoma | 604 | 158 | 446 | ||
| Grade | 51.272 | <0.001* | |||
| Well/Moderate differentiated | 1652 | 774 | 878 | ||
| Poor differentiation/ Undifferentiated | 1837 | 678 | 1159 | ||
| Unknown | 452 | 233 | 219 | ||
| T | 4.892 | 0.027* | |||
| T1 | 2666 | 1172 | 1494 | ||
| T2 | 1275 | 513 | 762 | ||
| N | 18.399 | <0.001* | |||
| N0 | 3550 | 1478 | 2072 | ||
| N1 | 391 | 207 | 184 | ||
| Stage | 0.251 | 0.616 | |||
| Ia | 2275 | 965 | 1310 | ||
| Ib | 1666 | 720 | 946 | ||
| Surgery | 138.01 | <0.001* | |||
| Yes | 2773 | 1019 | 1754 | ||
| No/Known | 1168 | 666 | 502 |
*P < 0.05 was considered of significance.