Table 1 Subjects’ Characteristics of Training Study
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 |