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Table 3 Multivariate analyses of survival (Cox proportional hazards model)

From: Prognostic factors and a new scoring system for survival of patients irradiated for bone metastases

 

Hazard ratio

95% confidence interval

p-value

Age

1.14

1.00–1.3

0.054

Gender

1.20

0.95–1.51

0.13

Karnofsky performance score

1.91

1.51–2.41

< 0.001

Type of primary tumor

1.12

1.07–1.17

< 0.001

Interval between cancer diagnosis and RT of bone metastases

1.14

0.92–1.42

0.23

Visceral metastases at the time of RT

1.19

0.96–1.49

0.12

Pathological fracture

1.19

0.93–1.51

0.16

Fractionation of RT

1.02

0.86–1.22

0.84

  1. Bold values = significant p-values