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Table 6 Multivariate analysis for patients receiving SRT (n = 2048)

From: Overall survival according to immunotherapy and radiation treatment for metastatic non-small-cell lung cancer: a National Cancer Database analysis

 

Hazard Ratio

95% Confidence Interval

p-value

Sex

Male

1.00

Ref

0.001

Female

0.83

0.75–0.92

Age

18–59

1.00

Ref

0.058

60–69

1.07

0.95–1.22

70–79

1.2

1.04–1.38

80+

1.24

0.96–1.58

Comorbidity

0

1.00

Ref

0.062

1

0.99

0.87–1.13

> 2

1.25

1.03–1.5

Histology

Adenocarcinoma

1.00

Ref

< 0.001

Non-adenocarcinoma

1.31

1.17–1.46

Race

White

1.00

Ref

0.538

Non-white

1.05

0.91–1.21

Insurance

Uninsured

1.00

Ref

0.582

insured

0.92

0.69–1.24

Facility Type

Academic

1.00

Ref

0.088

Nonacademic

1.1

0.99–1.22

Systemic Therapy

Chemotherapy

1.00

Ref

0.031

Immunotherapy

0.82

0.69–0.98