Table 1 Clinical data and CT findings of PSC and c-NSCLC
Characteristic | PSC | c-NSCLC | P-value |
|---|---|---|---|
Gender, n (%) Man Female | 25 (80.6%) 6 (19.4%) | 69 (79.3%) 18 (20.7%) | 0.874 |
Age (year) | 62.81 ± 1.51 | 59.68 ± 0.98 | 0.098 |
Smoke, n (%) No Yes | 11 (35.5%) 20 (64.5%) | 25 (28.7%) 62 (71.3%) | 0.484 |
Tumor size (cm) | 5.12 ± 0.38 | 5.11 ± 0.20 | 0.967 |
Location, n (%) Upper and middle Lower | 15 (48.4%) 16 (51.6%) | 44 (50.6%) 43 (49.4%) | 0.834 |
Calcification, n (%) Absent Present | 29 (93.5%) 2 (6.5%) | 69 (79.3%) 18 (20.7%) | 0.056 |
Vacuole/cavity, n (%) Absent Present | 29 (93.5%) 2 (6.5%) | 70 (80.5%) 17 (19.5%) | 0.072 |
Pleural invasion, n (%) Absent Present | 17 (54.8%) 14 (45.2%) | 38 (43.7%) 49 (56.3%) | 0.285 |
Lymph node metastasis, n (%) Absent Present | 13 (41.9%) 18 (58.1%) | 46(52.9%) 41(47.1%) | 0.296 |
Overall stage, n (%) I-II III-IV | 11 (35.5%) 20 (64.5%) | 43 (49.4%) 44 (50.6%) | 0.181 |
Mean CT value [Hu] Plain scan Arterial phase Venous phase | 30.48 ± 1.59 43.26 ± 2.96 50.26 ± 3.28 | 36.25 ± 0.64 58.71 ± 1.65 64.24 ± 1.86 | 0.002* < 0.001** < 0.001** |
LAA, n (%) Absent Present | 7 (22.6%) 24 (77.4%) | 63 (72.4%) 24 (27.6%) | < 0.001** |
LAA Ratio | 28.56 ± 3.83% | 6.28 ± 1.27% | < 0.001**# |