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Table 1 Clinical and treatment characteristics of NSCLC patients treated with SBRT

From: CT imaging features associated with recurrence in non-small cell lung cancer patients after stereotactic body radiotherapy

Clinical features Level n %
Gender Female 23 39.0
Male 36 61.0
Age, median (range) (years) 73 (48–91)
Age ≤67 16 27.1
68–80 28 47.5
≥81 15 25.4
TNM stage IA 42 71.2
IB 16 27.1
IIA 1 1.7
T stage 1A or 1B 42 71.2
2A or 2B 17 28.8
Smokera No 42 72.4
Yes 16 27.6
Pack-years smokinga median (range) 58 (15–200)
≤40 14 25.0
41–79 27 48.2
≥80 15 26.8
O2 dependence No 45 79.0
Yes 12 21.1
ECOG 0 or 1 49 84.5
2 or 3 9 15.5
CCI, median (range) 6 (3–12)
CCI ≤4 18 30.5
5–7 28 47.5
≥8 13 22.0
Dose/Fx 7.5 1 1.7
10 54 91.5
12 4 6.8
Pathology adenocarcinoma 26 44.1
squamous cell carcinoma 21 35.6
NSCLC 10 16.9
large cell carcinoma 2 3.4
  1. aThe pack-years smoking history could not be found in 2 cases and in one additional patient the smoking history was not noted