Research Article
Identification of Factors for the Preoperative Prediction of Tumour Subtype and Prognosis in Patients with T1 Lung Adenocarcinoma
Table 1
Characteristics of the patients and tumours.
| | Variable | Category | Number (%) |
| | Sex | Male | 38 (43.7) | | Female | 49 (56.3) |
| | Median age (range) | | (27–81) |
| | Smoking | Current smoker | 66 (75.9) | | Never smoked | 21 (24.1) |
| | Radiological finding | Pure GGO | 19 (21.8) | | Mixed GGO | 51 (58.6) | | Pure solid nodule | 17 (19.6) |
| | CEA | ≤5 ng/mL | 74 (85.1) | | >5 ng/mL | 13 (14.9) |
| | Serum miR-183 | ≤1.0 () | 43 (49.4) | | >1.0 () | 44 (50.6) |
| | Tumour size | ≤10 mm | 42 (48.3) | | >10 to ≤20 mm | 30 (34.5) | | >21 to ≤30 mm | 15 (17.2) |
| | Nodule number | Single | 82 (94.3) | | Multiple | 5 (5.7) |
| | Predominant subtype | AIS | 19 (21.8) | | MIA | 22 (25.3) | | Lepidic-predominant IAC | 11 (12.7) | | Papillary-predominant IAC | 23 (26.4) | | Acinar-predominant IAC | 9 (10.3) | | Solid-predominant IAC | 2 (2.3) | | Invasive mucinous IAC | 1 (1.2) |
| | Lymph node metastasis | Present | 4 (4.6) |
| | Visceral pleural invasion | Present | 9 (10.3) |
| | Pathological stage | 0 | 5 (5.7) | | I | 76 (87.4) | | II | 4 (4.6) | | III | 2 (2.3) |
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CEA, carcinoembryonic antigen; GGO, ground-glass opacity; AIS, adenocarcinoma in situ; MIA, minimally invasive adenocarcinoma; IAC, invasive adenocarcinoma.
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