1.
入组患者一般状况、血清肿瘤标记物水平及影像学特征
Patients'characteristics and demographic data
| Characteristics | n=362 |
| SD: standard deviation; CEA: carcino-embryonic antigen; CTR: consolidation tumor ratio. | |
| Demographic data | |
| Age (Mean±SD, yr) | 55.2±11.1 |
| Male (%) | 48.3 |
| Smoking history (%) | 27.6 |
| Family history of lung cancer (%) | 18.8 |
| History of malignancy (%) | 4.1 |
| Serum tumor markers | |
| CEA (Mean±SD, ng/mL) | 2.99±1.77 |
| Cyfra21-1 (Mean±SD, ng/mL) | 2.49±0.93 |
| Imaging characteristics | |
| Maximum diameter (Mean±SD, cm) | 1.76±0.72 |
| Diameter of the solid component (Mean±SD, cm) | 0.63±0.56 |
| CTR≥50% (%) | 36.7 |
| Located on upper lobe (%) | 56.6 |
| Spiculation (%) | 34.0 |
| Lobulation (%) | 63.3 |
| Calcification (%) | 1.4 |
| Cavitation (%) | 5.2 |
| Clear margin (%) | 64.9 |
| Pleural retraction sign (%) | 17.1 |
| Emphysema (%) | 7.5 |