Table 1 Distribution and relation between the neoplastic and non-neoplastic segmented pGGNs in CT scan regarding their location, shape, and margin
Total GGNs | Diagnosis | P-value | |||||
|---|---|---|---|---|---|---|---|
Benign N = 24 | Malignant N = 48 | ||||||
Count | % | Count | % | Count | % | ||
Central distribution | 6 | 8.3% | 4 | 16.7% | 2 | 4.2% | 0.091 |
Peripheral distribution | 64 | 88.9% | 20 | 83.3% | 44 | 91.7% | 0.427 |
Subpleural/subfissural | 38 | 52.8% | 18 | 75.0% | 20 | 41.7% | 0.008* |
Upper lobe | 32 | 44.4% | 16 | 66.7% | 16 | 33.3% | 0.007* |
Middle lobe/lingula | 15 | 20.8% | 2 | 8.3% | 13 | 27.1% | 0.065 |
Lower lobe | 24 | 33.3% | 6 | 25.0% | 18 | 37.5% | 0.289 |
Right | 56 | 77.8% | 21 | 87.5% | 35 | 72.9% | 0.161 |
Left | 18 | 25.0% | 3 | 12.5% | 15 | 31.3% | 0.083 |
Solitary | 2 | 4.2% | 0 | 0.0% | 2 | 4.2% | 0.549 |
Multiple | 70 | 95.8% | 24 | 100.0% | 46 | 95.8% | 0.549 |
Regular rounded | 29 | 40.3% | 2 | 8.3% | 27 | 56.3% | < 0.001** |
Irregular speculated-angulated | 44 | 61.1% | 22 | 91.7% | 22 | 45.8% | < 0.001** |
Well-defined (margin) | 38 | 52.8% | 8 | 33.3% | 30 | 62.5% | 0.019* |
Ill-Defined (margin) | 34 | 47.2% | 16 | 66.7% | 18 | 37.5% | 0.019* |