Table 3.
Univariate and multivariate analyses of overall survival.
| N | Univariate | P | Multivariate | P | |
|---|---|---|---|---|---|
| Age, years | |||||
| <70 | 16 | 1 (ref) | 1 (ref) | ||
| ≥70 | 19 | 0.430 [0.186-0.996] | 0.049 | 0.253 [0.091-0.702] | 0.008 |
| Sex | |||||
| Female | 10 | 1 (ref) | 1 (ref) | ||
| Male | 25 | 1.401 [0.555-3.537] | 0.476 | 1.289 [0.494-3.360] | 0.604 |
| ECOG performance status | |||||
| 0 | 22 | 1 (ref) | 1 (ref) | ||
| 1 | 13 | 1.701 [0.756-3.829] | 0.199 | 2.122 [0.886-5.084] | 0.091 |
| HER2 | |||||
| Negative + not tested | 26 | 1 (ref) | 1 (ref) | ||
| Positive | 9 | 1.891 [0.749-4.773] | 0.178 | 1.320 [0.484-3.597] | 0.587 |
| Liver metastasis | |||||
| Absent | 23 | 1 (ref) | 1 (ref) | ||
| Present | 12 | 1.860 [0.800-4.323] | 0.150 | 2.610 [0.938-7.258] | 0.066 |
| Peritoneum metastasis | |||||
| Absent | 17 | 1 (ref) | |||
| Present | 18 | 1.031 [0.459-2.314] | 0.941 | ||
| Measurable lesion | |||||
| Absent | 8 | 1 (Ref) | |||
| Present | 27 | 1.121 [0.416-3.021] | 0.821 | ||
Abbreviations: ECOG, Eastern Cooperative Oncology Group; HER2, human epidermal growth factor receptor 2.