Table 5 Univariate and multivariate analysis of overall survival rates based on primary site and disease stage

< 0.001

0.017

Reference

Reference

2.01 (1.14–3.56)

0.016

2.31 (1.26–4.22)

0.007

4.33 (2.35–8.00)

< 0.001

2.34 (1.18–4.65)

0.015

0.74 (0.45–1.21)

0.233

1.15 (0.67–1.95)

0.618

< 0.001

0.011

Reference

Reference

0.81 (0.44–1.51)

0.514

0.94 (0.48–1.86)

0.863

3.33 (2.11–5.26)

< 0.001

2.43 (1.44–4.12)

0.001

0.66 (0.39–1.10)

0.111

0.82 (0.48–1.43)

0.488

0.064

0.277

Reference

Reference

1.26 (0.72–2.19)

0.423

1.24 (0.69–2.25)

0.477

1.74 (1.12–2.71)

0.014

0.96 (0.57–1.60)

0.867

1.36 (0.90–2.05)

0.140

1.54 (0.99–2.38)

0.056

< 0.001

0.483

Reference

Reference

1.15 (0.62–2.17)

0.655

1.17 (0.60–2.29)

0.650

3.54 (2.16–5.80)

< 0.001

1.54 (0.89–2.67)

0.126

0.79 (0.48–1.29)

0.340

1.20 (0.70–2.06)

0.519

< 0.001

0.055

Reference

Reference

1.22 (0.77–1.93)

0.401

1.31 (0.81–2.11)

0.266

2.80 (1.82–4.32)

< 0.001

1.95 (1.23–3.10)

0.005

0.69 (0.45–1.04)

0.073

1.09 (0.71–1.67)

0.702

< 0.001

0.159

Reference

Reference

6.83 (2.25–20.73)

0.001

4.43 (1.19–16.53)

0.027

2.78 (1.14–6.80)

0.025

3.14 (0.71–13.99)

0.133

1.31 (0.69–2.48)

0.405

1.33 (0.58–3.04)

0.497