Table 1.
60 Patients with malignant SPNs (stage I and II NSCLC)
|
62 Patients with benign SPNs
|
|
---|---|---|
Age, Median (SD) | 67.3 (8.5) | 66.4 (SD 8.5) |
Sex | ||
Female | 22 (36.7%) | 23 (37.1%) |
Male | 38 (63.3%) | 39 (62.9%) |
Race | ||
African American | 17 (28.3%) | 19 (30.7%) |
White | 43 (71.7%) | 43 (69.3%) |
Nodule size (cm) | ||
Median (SD) | 2.3 (1.5) | 1.7 (1.6) |
Range | 0.6–4.3 | 0.2–3.8 |
Pack-years, Median (SD) | 37.3 (SD 26.5) | 32.6 (SD 31.5) |
Stages | ||
stage I | 39 (65.0%) | |
stage II | 21 (35.0%) | |
Histological types of NSCLC | ||
AC | 27 (45.0%) | |
SCC | 29 (48.3%) | |
Others | 4 (6.7%) |
Abbreviations: SPNs, solitary pulmonary nodules; SD, standard deviation; NSCLC, non-small-cell lung cancer; AC, adenocarcinoma; SCC, squamous cell carcinoma.