Variable | Univariate analysis | Multivariate analysis | ||||
---|---|---|---|---|---|---|
HR | 95% CI | p-value | HR | 95% CI | p-value | |
Age, years | ||||||
80–84 | Reference | |||||
85–90 | 1.12 | 0.90–1.40 | 0.302 | |||
> 90 | 1.11 | 0.67–1.86 | 0.686 | |||
Sex | ||||||
Male | Reference | Reference | ||||
Female | 0.42 | 0.34–0.52 | < 0.001 | 0.41 | 0.33–0.50 | < 0.001 |
Treatment year | ||||||
2008 | 1.36 | 0.83-2.22 | 0.225 | |||
2009 | 1.49 | 0.94–2.39 | 0.091 | |||
2010 | 1.75 | 1.23–2.73 | 0.013 | |||
2011 | 1.15 | 0.73–1.82 | 0.548 | |||
2012 | 1.15 | 0.74–1.77 | 0.532 | |||
2013 | 1.44 | 0.95–2.19 | 0.089 | |||
2014 | 1.07 | 0.69–1.64 | 0.769 | |||
2015 | 0.97 | 0.62–1.51 | 0.882 | |||
2016 | Reference | |||||
Chemotherapy | ||||||
No | Reference | Reference | ||||
Yes | 1.92 | 1.47–2.26 | < 0.001 | 1.95 | 1.54–2.39 | < 0.001 |
Treatment modality | ||||||
Surgery | Reference | Reference | ||||
SBRT | 1.44 | 1.21–1.72 | < 0.001 | 1.44 | 1.21–1.72 | < 0.001 |