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Table 2 Local control and survival rates

From: Stereotactic body radiotherapy for very elderly patients (age, greater than or equal to 85 years) with stage I non-small cell lung cancer

  1 year (%) 2 years (%) 3 years (%) p value
Local control for all patients 97.4 95.9 91.8 0.32
Very elderly patients (n = 20) 95.9 95 83.1  
Younger patients (n = 61) 98.2 96.4 93.8  
Overall survival for all patients 95.1 82.9 69.4 0.03*
Very elderly patients (n = 20) 95 71.2 40.7  
Younger patients (n = 61) 95.1 86.4 75.0  
Cause-specific survival for all patients 97.5 87.8 77.9 0.42
Very elderly patients (n = 20) 100 88.2 50.4  
Younger patients (n = 61) 96.7 87.8 81.6  
Progression-free survival for all patients 88.9 77.5 59.5 0.11
Very elderly patients (n = 20) 90 65.2 44.7  
Younger patients (n = 61) 88.5 78.3 63.5  
*p < 0.05