Table 3.
Univariate logistic regression for analyzing the prognostic factors for early death.
| Variable | All-cause early death | Cancer-specific early death | ||||
|---|---|---|---|---|---|---|
| OR | 95%CI | P value | OR | 95%CI | P value | |
| Sex | ||||||
| Male | 1(ref) | 1(ref) | ||||
| Female | 1.49 | 0.50-4.44 | 0.477 | 1.9 | 0.63-5.66 | 0.252 |
| Insurance status | ||||||
| Insured | 1(ref) | 1(ref) | ||||
| Uninsured | 1.36 | 1.14-1.62 | 0.001 | 1.24 | 1.04-1.49 | 0.02 |
| Marital status | ||||||
| Married | 1(ref) | 1(ref) | ||||
| Unmarried | 1.19 | 0.90-1.56 | 0.217 | 1.32 | 1.00-1.75 | 0.049 |
| Race | ||||||
| White | 1(ref) | 1(ref) | ||||
| Black | 0.71 | 0.56-0.90 | 0.005 | 0.74 | 0.58-0.95 | 0.02 |
| Other | 1.12 | 0.94-1.33 | 0.22 | 1.1 | 0.92-1.32 | 0.308 |
| Primary site | ||||||
| Cardia/fundus | 1(ref) | 1(ref) | ||||
| Body | 1.38 | 1.00-1.90 | 0.052 | 1.25 | 0.89-1.75 | 0.193 |
| Antrum/pylorus | 1.57 | 1.25-1.98 | <0.001 | 1.39 | 1.09-1.77 | 0.007 |
| Lesser/greater curvature | 0.85 | 0.62-1.17 | 0.333 | 0.82 | 0.58-1.14 | 0.231 |
| Other | 2.04 | 1.59-2.62 | <0.001 | 1.87 | 1.45-2.43 | <0.001 |
| Differentiation grade | ||||||
| I | 1(ref) | 1(ref) | ||||
| II | 1.31 | 0.85-2.01 | 0.223 | 1.43 | 0.90-2.29 | 0.131 |
| III | 1.65 | 1.1-2.49 | 0.016 | 1.89 | 1.21-2.95 | 0.005 |
| IV | 1.99 | 0.97-4.07 | 0.06 | 1.93 | 0.90-4.12 | 0.09 |
| Radiation | ||||||
| No/Unknown | 1(ref) | 1(ref) | ||||
| Yes | 1.06 | 0.82-1.37 | 0.663 | 1.08 | 0.83-1.41 | 0.568 |
| Histology | ||||||
| Adenocarcinoma | 1(ref) | 1(ref) | ||||
| Signet ring cell | 1.27 | 0.96-1.68 | 0.089 | 1.18 | 0.89-1.58 | 0.249 |
| Other | 0.55 | 0.41-0.74 | <0.001 | 0.49 | 0.35-0.67 | <0.001 |
| AJCC Stage | ||||||
| I | 1(ref) | 1(ref) | ||||
| II | 0.79 | 0.62-1.00 | 0.055 | 0.87 | 0.67-1.12 | 0.289 |
| III | 2.1 | 1.66-2.65 | <0.001 | 2.44 | 1.92-3.09 | <0.001 |
| IV | 0.52 | 0.38-0.71 | <0.001 | 0.53 | 0.38-0.74 | <0.001 |
| T stage | ||||||
| T1 | 1(ref) | 1(ref) | ||||
| T2 | 0.53 | 0.42-0.67 | <0.001 | 0.54 | 0.43-0.69 | <0.001 |
| T3 | 1 | 0.80-1.25 | 0.989 | 1.11 | 0.88-1.39 | 0.387 |
| T4 | 0.77 | 0.62-0.95 | 0.013 | 0.83 | 0.67-1.04 | 0.1 |
| N stage | ||||||
| N0 | 1(ref) | 1(ref) | ||||
| N1 | 0.52 | 0.38-0.71 | <0.001 | 0.55 | 0.39-0.77 | <0.001 |
| N2 | 0.68 | 0.51-0.90 | 0.007 | 0.68 | 0.51-0.92 | 0.011 |
| N3 | 2.63 | 2.16-3.19 | <0.001 | 3 | 2.46-3.66 | <0.001 |
| M stage | ||||||
| M0 | 1(ref) | 1(ref) | ||||
| M1 | 0.45 | 0.38-0.54 | <0.001 | 0.36 | 0.30-0.44 | <0.001 |
| Surgery | ||||||
| No | 1(ref) | 1(ref) | ||||
| Yes | 0.23 | 0.18-0.30 | <0.001 | 0.27 | 0.21-0.36 | <0.001 |
| Chemotherapy | ||||||
| No/Unknown | 1(ref) | 1(ref) | ||||
| Yes | 0.2 | 0.16-0.25 | <0.001 | 0.25 | 0.20-0.31 | <0.001 |
| Bone metastases | ||||||
| No | 1(ref) | 1(ref) | ||||
| Yes | 1.83 | 1.02-3.31 | 0.044 | 1.96 | 1.08-3.54 | 0.027 |
| Brain metastases | ||||||
| No | 1(ref) | 1(ref) | ||||
| Yes | 4.35 | 0.84-22.47 | 0.079 | 5.54 | 1.07-28.62 | 0.041 |
| Liver metastases | ||||||
| No | 1(ref) | 1(ref) | ||||
| Yes | 2.64 | 2.04-3.40 | <0.001 | 3.13 | 2.43-4.05 | <0.001 |
| Lung metastases | ||||||
| No | 1(ref) | 1(ref) | ||||
| Yes | 2.68 | 1.73-4.15 | <0.001 | 2.71 | 1.76-4.17 | <0.001 |
OR, odds ratio; ref, reference.