Skip to main content

Table 1 Subjects’ Characteristics of Training Study

From: A prediction model based on DNA methylation biomarkers and radiological characteristics for identifying malignant from benign pulmonary nodules

Characteristics Subjects with Malignant PNs
(n = 63)
Subjects with Benign PNs
(n = 47)
Clinical
Age (Years)
  Median Age 58 55
  Age Range 36–77 26–70
Sex
  Male 36 27
  Female 27 20
Smoking history
  Non-smoker 30 39
  Ex-smoker 12 3
  Current smoker 21 5
Smoking pack-years
  Mean Pack-years (Smokers only) 36.52 20
  Years quit (Smoker sonly) 8.9 3
Histology subtype
  Adenocarcinoma 37  
  Squamous cell carcinoma 14  
  Small cell lung cancer 8  
  Other 4  
Stage
  I 17  
  II 21  
  III-IV 25  
Radiological
  Nodule size (mm) 21.46 (SD 10.52) 11.89 (SD 6.81)
Nodule location
  Left lower lobe 9 6
  Left upper lobe 17 12
  Right lower lobe 15 15
  Right middle lobe 3 4
  Right upper lobe 19 10
Nodule type (number)
  Nonsolid or ground-glass opacity 17 13
  Perifissural 6 5
  Part-solid 9 8
  Solid 13 11
  Spiculation 18 10
  1. PN pulmonary nodule, SD standard deviation