Table 1. Comparison of U-HRCT target scan and conventional CT target reconstruction in diagnosis of seven CT morphological features of ground-glass lung adenocarcinoma (total number =91).
| U-HRCT target scan, n (%) | Conventional CT target construction, n (%) | χ2 | P value | |
|---|---|---|---|---|
| Seven CT morphological features | ||||
| Spiculation of nodule | 71 (78.0) | 56 (61.5) | 5.863 | 0.015 |
| Bronchial vascular bundle | 66 (72.5) | 50 (54.9) | 6.086 | 0.014 |
| Solid component in ground-glass nodules | 60 (65.9) | 45 (49.5) | 5.065 | 0.024 |
| Burr sign | 34 (37.4) | 29 (31.9) | 0.319 | 0.572 |
| Vacuole sign | 22 (24.2) | 18 (19.8) | 0.513 | 0.474 |
| Air bronchial sign | 28 (30.8) | 26 (28.6) | 0.105 | 0.746 |
| Fissure distortion | 30 (33.0) | 21 (23.1) | 2.207 | 0.137 |
| Consistent with pathology results | 86 (94.5) | 75 (82.4) | 6.513 | 0.011 |
U-HRCT, ultra-high-resolution computed tomography.