Table 5 Model 2 for the multivariate Cox regression analysis for RFS

cT stage, T1–2 / T3

1.355 (0.688–2.670)

0.337

1.354 (0.687–2.667)

0.381

1.214 (0.616–2.392)

0.530

1.377 (0.693–2.737)

0.362

cN stage, N0 / N1–2

0.762 (0.410–1.414)

0.762

0.764 (0.413–1.411)

0.390

0.765 (0.426–1.375)

0.371

0.696 (0.368–1.318)

0.266

 peakSUVmax, < 4.43 / ≥4.43

1.501 (0.718–3.139)

0.280

 hSULpeak, < 2.64 / ≥2.64

1.543 (0.743–3.203)

0.245

 TMTV, < 3.82 / ≥3.82

1.989 (1.018–3.885)

0.044

 wTLG, < 13.46 / ≥13.46

1.115 (0.518–2.400)

0.781

 pT stage, T1–2 / T3–4

0.535 (0.263–1.088)

0.084

0.537 (0.266–1.084)

0.083

0.524 (0.271–1.013)

0.055

0.477 (0.225–1.012)

0.054

 pN stage, N0–1 / N2–3

0.352 (0.195–0.636)

0.001

0.351 (0.193–0.630)

0.001

0.401 (0.220–0.730)

0.003

0.356 (0.198–0.640)

0.001

 pM stage, M0 / M1(LYM)

0.637 (0.194–2.091)

0.457

0.638 (0.194–2.094)

0.458

0.542 (0.165–1.781)

0.313

0.604 (0.184–1.980)

0.405