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Table 6 Radiation pneumonitis according to grade

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

  All Grades 0, 1 Grades 2, 3 p value
  (n = 81) (n = 72) (n = 9)  
Age (years)     
median (range) 80 (64–93) 80 (64–88) 85 (70–93) 0.018*
CTV (cc)     
median (range) 12.4 (1.1–91) 12.4 (1.1–61.8) 14.8 (2.9–91) 0.49
PTV (cc)     
median (range) 57.0 (9.3–224) 55.9 (9.3–224) 57.6 (22.7–215) 0.43
V20 (%)     
median (range) 5.3(1.5–16) 5.1 (1.5–16) 6.8 (3.7–11.1) 0.054
MLD (Gy)     
median (range) 3.8 (1.2–9.2) 3.75 (1.2–9.2) 4.8 (2.9–6.9) 0.052
  1. *p < 0.05.