Table 1.
Characteristics of patient and pulmonary nodules for localizationa
| Characteristics | n (%) |
|---|---|
| Age, years (median, IQR) | 54 (44.8–65) |
| Sex | |
| Male | 82 (43.2) |
| Female | 108 (56.8) |
| CT characteristics | |
| Solid | 20 (10.0) |
| Mixed GGN | 36 (18.0) |
| Pure GGN | 144 (72.0) |
| Size, diameter, mm (median, IQR) | 7 (5.5–10) |
| Nodule number | |
| Single nodule | 180 (94.7) |
| Multiple nodule | 10 (5.3) |
| Nodule location | |
| Right superior lobe | 70 (35.0) |
| Right middle lobe | 11 (5.5) |
| Right inferior lobe | 46 (23.0) |
| Left superior lobe | 44 (22.0) |
| Left inferior lobe | 29 (14.5) |
| Pathological diagnosis | |
| Begin | 8 (4.0) |
| AAH | 12 (6.0) |
| AIS | 88 (44.0) |
| MIA | 74 (37.0) |
| IAC | 16 (8.0) |
| Metastatic | 2 (1.0) |
| Resection | |
| Wedge resection | 159 (79.5) |
| Segmentectomy | 24 (12.0) |
| Lobectomyb | 17 (8.5) |
Data are expressed as n (%) unless otherwise indicated.
AAH, atypical adenomatous hyperplasia; AIS, adenocarcinoma in situ; GGN, ground-glass nodule; IAC, invasive adenocarcinoma; IQR, interquartile range; MIA, minimally invasive adenocarcinoma.
a
200 nodules from 190 patients were included.
b
Lobectomy was performed after the confirmation of invasive disease by frozen section.