Table 3 Cox proportional hazards multiple regression, with overall survival as outcome variable.

High vs. Low

1.32

1.03–1.68

0.0267 *

Intermediate vs. Low

1.10

0.86–1.42

0.4527

<50 vs. 50–64 years–old

1.17

0.91–1.51

0.2402

65 or > vs. 50–64 years–old

1.31

1.04–1.64

0.0199 *

T2 or > vs. T1

1.45

1.13–1.84

0.0028 **

1–3 vs. 0

1.66

1.32–2.09

1.43 × 10⁻⁵ ***

4 or > vs. 0

3.47

2.71–4.43

<2 × 10⁻¹⁶ ***

High vs. Low/Intermediate

1.19

0.96–1.48

0.1155

Positive vs. Negative

0.71

0.56–0.91

0.0064 **

Positive vs. Negative

1.58

1.23–2.02

0.0003 ***