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Table 1 Patient characteristics and treatments

From: Clinical outcomes of stage I and IIA non-small cell lung cancer patients treated with stereotactic body radiotherapy using a real-time tumor-tracking radiotherapy system

  n Adenocarcinoma SCC
Patients 283   
Age (years)
 Median 78 (range 52–90) 79 (52–89) 77.5 (52–90)
Gender
 Male 214 124 74
 Female 69 61 6
Performance status
 0 58 40 13
 1 184 124 51
 2 37 19 14
 3 3 1 2
 Unknown 1 1 0
Observation period (months)
 Median 28 (range 0–127) 30 (0–127) 25 (2–101)
Institutions
 A 155 97 45
 B 67 47 16
 C 41 25 14
 D 23 16 5
Maximum tumor diameter (mm)
 Median 24 (range 9–65) 23 (9–65) 26 (13–65)
Number of tumors
 1 280 - -
 2 3 - -
T stage
 1a and 1b 195 131 51
 2a and 2b 91 54 29
Tumor location
 Right Upper Lobe 74 54 15
 Right Middle Lobe 18 10 7
 Right Lower Lobe 69 45 21
 Left Upper Lobe 75 47 24
 Left Lower Lobe 50 29 13
Operability
 Operable 71 49 16
 Inoperable 190 120 55
 Unknown 25 16 9
  1. SCC squamous cell carcinoma