Table 2 Results of the univariate survival analysis

Age (1-year increase)

1.031

1.012–1.050

0.001

Clinical stage

  Extensive (n = 107) vs. limited (n = 95)

2.446

1.761–3.397

< 0.001

Treatment modality

  CTX only (n = 117) vs. CTX and RTX (n = 85)

2.181

1.573–3.023

< 0.001

Sum of MTV

  10-cm³ increase

1.009

1.003–1.015

0.004

  ≥ 100 cm³ (n = 110) vs. < 100 cm³ (n = 92)

1.748

1.277–2.392

< 0.001

Sum of TLG

  10-unit increase

1.002

1.001–1.004

0.001

  ≥ 555 (n = 107) vs. < 555 (n = 95)

1.697

1.242–2.318

0.001