Table 2.
67 Patients with malignant SPNs (stage I and II NSCLC)
|
69 Patients with benign SPNs
|
|
---|---|---|
Age, Median (SD) | 66.4 (7.9) | 64.9 (SD 8.5) |
Sex | ||
Female | 24 (35.8%) | 23 (33.3%) |
Male | 43 (64.2%) | 46 (66.7%) |
Race | ||
African American | 19 (28.4%) | 20 (28.9%) |
White | 48 (71.6%) | 49 (70.1%) |
Nodule size (cm) | ||
Median (SD) | 2.5 (1.6) | 1.8 (1.7) |
Range | 0.5–4.5 | 0.1–3.9 |
Pack-years, Median (SD) | 36.9 (SD 25.7) | 34.6 (SD 32.5) |
Stages | ||
stage I | 45 (67.2%) | |
stage II | 22 (32.8%) | |
Histological types of NSCLC | ||
AC | 30 (44.8%) | |
SCC | 31 (46.3%) | |
Others | 6 (8.9%) |
Abbreviations: SPNs, solitary pulmonary nodules; SD, standard deviation; NSCLC, non-small-cell lung cancer; AC, adenocarcinoma; SCC, squamous cell carcinoma.