highly significantp < 0.001
The pathological tumor stage (pT) was highly significant overall ( p < 0.001), with pT 1 (HR = 3.434, p < 0.001), pT 2 (HR = 4.289, p < 0.001), and pT3 (HR = 4.512, p = 0.014) all showing substantial increased risks of earlier death.