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Table 2 Parameter estimates of the final model used to generate the nomogram

From: Development and external validation of a nomogram to predict overall survival following stereotactic body radiotherapy for early-stage lung cancer

 

HR

SE

p-value

Sex (male vs female)

1.245

0.124

0.079

Inoperable (yes vs No)

2.361

0.285

0.003

CCIa

1.098

0.031

0.002

Agea

1.016

0.007

0.023

Tumor diametera

1.022

0.004

< 0.001

KPSa,b (linear effect)

0.958

0.011

< 0.001

KPSa,b (quadratic effect)

1.020

0.011

0.057

  1. a Per unit increase
  2. b Restricted cubic splines function parameters
  3. Abbreviations: CCI Charlson Comorbidity Index score, KPS Karnofsky performance status, HR hazard ratio, SE standard error of the log-hazard ratio
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Radiation Oncology

ISSN: 1748-717X

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