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Table 1 Clinical and radiologic characteristics of the study population

From: Preoperative non-invasive visual localization of synchronous multiple lung cancers using three-dimensional computed tomography lung reconstruction

  n (%) or mean ± SD (range)
Patients, n 44
Age (years) 55.6 ± 9.3 (3–77)
Sex  
 Male 13 (29.5)
 Female 31 (70.5)
Total number of nodules 121
Nodules per patient, n 2.75 ± 1.31 (2–8)
Nodules in each patient, n  
 2 28 (63.6)
 3 8 (18.2)
 4 3 (6.8)
 ≥ 5 5 (11.4)
Nodule diameter, mm 7.67 ± 3.87 (2.57–22.84)
Distance between outer edge of nodule and pleura, mm 14.84 ± 14.43 (0–85.82)
Site of nodule  
 Right upper lobe 47 (38.8)
 Right middle lobe 16 (13.2)
 Right lower lobe 25 (20.7)
 Left upper lobe 26 (21.5)
 Left lower lobe 7 (5.8)
Imaging characteristics  
 Pure GGN 54 (44.6)
 Pure-solid GGN (GGO ≥ 50%) 49 (40.5)
 Pure-solid GGN (GGO < 50%) 8 (6.6)
 Solid nodule 10 (8.3)
  1. GGN, ground-glass nodule; GGO, ground-glass opacity; SD, standard deviation