Table 3 Multivariate analysis of the prognostic factors in HCC patients using a Cox regression model

Ages, year (≥60 vs. < 60)

1.189

0.828–1.708

0.349

Sex (male vs. female)

1.124

0.773–1.636

0.540

Grade (G3–G4 vs. G1–G2)

1.183

0.820–1.708

0.369

Lymph node metastasis (N1 vs. N0–Nx)

1.019

0.242–4.296

0.980

Distant metastasis (M1 vs. M0–Mx)

1.709

0.517–5.655

0.380

TNM stage (III–IV vs. I–II)

2.498

1.735–3.597

<0.001

CD97 expression (high vs. low)

1.445

1.010–2.068

0.044