Table 3.

Multivariable analysis of factors independently prognostic of PFS and OS

Factors with increased risk of progressionaHR (95% CI)P value
PFS
Incomplete or no surgical resection5.00 (1.12–22.2)0.03
No initial radiotherapy2.82 (1.48–5.29)0.002
Factors with increased risk of deathbHR (95% CI)P value
OS
Incomplete or no surgical resection7.94 (1.03–62.5)0.05
No initial radiotherapy2.20 (1.18–4.09)0.01
  • aTested in the model and found to be not statistically significant were: tumor location [HR = 1.13; 95% CI, 0.72–1.78; P = 0.6] and metastases [HR = 1.47; 95% CI, 0.80–2.69; P = 0.2].

  • bTested in the model and found to be not statistically significant was tumor location [HR = 1.10; 95% CI, 0.58–2.09; P = 0.8].