2.
Basic characteristics of patients (N=109)
| Characteristics | n (%) | ||
| Preinvasive lesions (N=32) | MIAs (N=37) | IPAs (N=40) | |
| MIAs, minimally invasive adenocarcinomas; IPAs, invasive pulmonary adenocarcinomas. | |||
| Female | 19 (25.7) | 27 (36.5) | 28 (37.8) |
| Male | 13 (37.1) | 10 (28.6) | 12 (34.3) |
| Age (year) | |||
|
53.4±11.6 | 57.5±9.2 | 59.8±7.9 |
| Range | 38−76 | 38−77 | 42−76 |
| Lesion location | |||
| Upper lobe
(right/left) |
20 (29.4) | 24 (35.3) | 24 (35.3) |
| Middle lobe
(right) |
2 (20.0) | 5 (50.0) | 3 (30.0) |
| Lower lobe
(right/left) |
10 (32.3) | 8 (25.8) | 13 (41.9) |