Table 2 Patients’ demographic and clinical characteristics
From: The impact of lung parenchyma attenuation on nodule volumetry in lung cancer screening
Characteristic | n (%) or mean ± SD (n = 1265) |
|---|---|
Age (years) | 68.3 ± 5.1 |
Sex | |
Male | 888 (70.2) |
Female | 377 (29.8) |
Previous lung surgery | |
No | 1238 (97.9) |
Yes | 27 (2.1) |
Chronic obstructive pulmonary disease | |
No | 1198 (94.7) |
Yes | 67 (5.3) |
Tuberculosis | |
No | 1258 (99.4) |
Yes | 7 (0.6) |