From: Stereotactic body radiotherapy for very elderly patients (age, greater than or equal to 85 years) with stage I non-small cell lung cancer
Variables
Hazard ratio (95% CI)
p value
Age
1.05 (0.98–1.12)
0.19
T stage (T1a vs. T1b, T2a)
2.41 (1.05–5.50)
0.04*