Table 2. Univariate analysis of cause specific survival.
| Median CSS | 5-year CSS (95% CI) | Univariate analysis | P value | |
|---|---|---|---|---|
| Log rank | ||||
| Sex | 4.8 | 0.0285 | ||
| Male | 16.48 | 28.8 (28.0–29.6) | ||
| Female | 15.35 | 28.5 (27.5–29.6) | ||
| Age | 10.6 | 0.0011 | ||
| <67 | 16.41 | 28.7 (27.5–29.3) | ||
| >66 | 15.77 | 29.1 (28.1–30.0) | ||
| Marital status | 149.37 | <0.001 | ||
| Married | 17.87 | 30.6 (29.7–31.4) | ||
| Widowed | 13.21 | 25.3 (24.2–27.4) | ||
| Single | 13.29 | 25.4 (23.7–27.1) | ||
| Separate/Divorced | 14.69 | 26.2 (24.2–28.2) | ||
| Race/Ethnicity | 293.33 | <0.001 | ||
| Caucasian | 15.10 | 26.6 (25.9–27.4) | ||
| African-American | 14.50 | 26.7 (25.0–28.5) | ||
| Asian | 28.00 | 40.1 (38.3–41.8) | ||
| Others | 17.53 | 34.6 (25.5–43.9) | ||
| Insurance status | 28.0 | <0.001 | ||
| Uninsured | 11.43 | 21.4 (17.3–25.8) | ||
| Insured | 16.95 | 29.9 (28.9–30.8) | ||
| Location | 999.05 | <0.001 | ||
| Cardia | 16.38 | 25.4 (24.2–26.5) | ||
| Fundus | 13.51 | 24.0 (20.8–27.3) | ||
| Body | 16.77 | 30.9 (28.6–33.1) | ||
| Antrum/Pylorus | 23.10 | 37.0 (35.6–38.3) | ||
| Lesser/Greater curvature | 26.32 | 39.0 (37.0–40.9) | ||
| Others | 9.22 | 17.6 (16.4–18.8) | ||
| AJCC 6th TNM stage | 9814.31 | <0.001 | ||
| I | – | 61.9 (60.6–63.2) | ||
| II | 36.82 | 40.9 (39.0–42.9) | ||
| III | 19.47 | 23.3 (21.6–25.0) | ||
| IV | 7.11 | 4.8 (4.3–5.3) | ||
| Lymph node removed | 34.11 | <0.001 | ||
| 1–3 | 30.43 | 39.5 (36.3–42.7) | ||
| >3 | 44.13 | 45.7 (44.6–46.7) | ||
| Histology subgroup | 173.40 | <0.001 | ||
| Signet Ring cell | 12.73 | 21.6 (20.3–22.8) | ||
| Mucinous adenocarcinoma | 17.59 | 29.4 (25.5–33.4) | ||
| Adenocarcinoma | 17.45 | 30.8 (30.0–31.5) | ||
| Grade | 682.88 | <0.001 | ||
| Well differentiated | – | 58.7 (55.1–62.2) | ||
| Moderately differentiated | 27.71 | 39.4 (37.9–40.8) | ||
| Poorly differentiated | 14.55 | 24.9 (24.1–25.7) | ||
| Undifferentiated | 14.20 | 22.4 (18.1–26.9) | ||
| Therapy (Surgery ± radiotherapy) | 9457.52 | <0.001 | ||
| Therapy | 44.02 | 45.7 (44.8–46.6) | ||
| None | 6.24 | 4.4 (3.8–5.0) | ||
| Unknown | 10.37 | 0 |
CSS: Cause specific survival.
CI: Confidence interval.
AJCC: American Joint Committee on Cancer.
TNM: Tumor-Node-Metastasis.