| Molecular score | \({\varvec{\upchi }}^{2}\) | p-value | |
---|---|---|---|---|
Low (n = 105) | High (n = 121) | |||
Sex | Â | Â | 0.003 | 0.954 |
Male | 76(72.4%) | 88(72.7%) | Â | Â |
Female | 29(27.6%) | 33(27.3%) | Â | Â |
Age | Â | Â | 2.244 | 0.134 |
<=65 | 86(81.9%) | 89(73.6%) | Â | Â |
> 65 | 19(18.1%) | 32(26.4%) |  |  |
Tumor location | Â | Â | 0.672 | 0.715 |
Upper | 10(9.5%) | 15(12.4%) | Â | Â |
Middle | 70(66.7%) | 81(66.9%) | Â | Â |
Lower | 25(23.8%) | 25(20.7%) | Â | Â |
Surgical approach | Â | Â | 6.001 | 0.423* |
Sweet | 76(72.4%) | 93(76.8%) | Â | Â |
Two incisions in the left chest | 4(3.8%) | 1(0.8%) | Â | Â |
Ivor-Lewis | 3(2.9%) | 5(4.1%) | Â | Â |
McKeown | 22(20.9%) | 22(18.3%) | Â | Â |
Examined lymph nodes | Â | Â | 0.009 | 0.924 |
≤ 6 | 54(51.4%) | 63(52.1%) |  |  |
> 6 | 51(48.6%) | 58(47.9%) |  |  |
Tumor grade | Â | Â | 8.489 | 0.014 |
Grade I | 33(31.4%) | 24(19.8%) | Â | Â |
Grade II | 55(52.4%) | 59(48.8%) | Â | Â |
Grade III | 17(16.2%) | 38(31.4%) | Â | Â |
Tumor length (cm) | Â | Â | 0.017 | 0.897 |
≤ 5 | 72(68.6%) | 82(67.8%) |  |  |
> 5 | 33(31.4%) | 39(32.2%) |  |  |
pT | Â | Â | 0.093 | 0.760 |
T2 | 42(40.0%) | 46(38.0%) | Â | Â |
T3 | 63(60.0%) | 75(62.0%) | Â | Â |