Table 1 Overview and univariate analysis of the clinical characteristics of the patient cohort
Patient characteristics | N (%) (N = 79) | Log-rank P value (with OS) | Log-rank P value (with PFS) |
|---|---|---|---|
Age | 44–74 years (median age 63 years) | – | – |
Sex | Â | 0.182 | 0.229 |
 Male | 76(96.2%) |  |  |
 Female | 3(3.8%) |  |  |
ECOG score | Â | 0.830 | 0.517 |
 0 | 66(83.5%) |  |  |
 1 | 13(16.5%) |  |  |
Siewert type | Â | 0.078 | 0.120 |
 Siewert II | 44(55.7%) |  |  |
 Siewert III | 23(29.1%) |  |  |
 Unavailable | 12(15.2%) |  |  |
Lauren type | Â | 0.652 | 0.787 |
 Intestinal type | 39(49.4%) |  |  |
 Diffuse type | 14(17.7%) |  |  |
 Mixed type | 15(19.0%) |  |  |
 Undefined | 11(13.9%) |  |  |
Clinical T stage | Â | 0.301 | 0.999 |
 T3 | 16(20.3%) |  |  |
 T4 | 63(79.7%) |  |  |
Clinical N stage | Â | 0.450 | 0.962 |
 N1 | 19(24.05%) |  |  |
 N2 | 41(51.9%) |  |  |
 N3 | 19(24.05%) |  |  |