Clinical characteristics | Training (n = 371) | Testing (n = 157) | ||||
---|---|---|---|---|---|---|
Lymph node (−) | Lymph node (+) | p value | Lymph node (−) | Lymph node (+) | p value | |
Age, year (median;IQR) | 62; 55 ~ 67 | 62; 55 ~ 68 | 0.62 | 63; 56 ~ 69 | 60; 50 ~ 70 | 0.166 |
Gender | ||||||
Male | 103 | 46 | 0.369 | 48 | 23 | 0.555 |
Female | 163 | 59 | 65 | 21 | ||
Smoke | ||||||
Yes | 84 | 36 | 0.617 | 38 | 15 | 0.958 |
No | 182 | 69 | 75 | 29 | ||
Location | ||||||
Upper lobe, right | 109 | 30 | 0.024 | 48 | 12 | 0.101 |
Middle lobe, right | 46 | 18 | 21 | 10 | ||
Lower lobe, right | 13 | 8 | 5 | 1 | ||
Upper lobe, left | 60 | 29 | 26 | 15 | ||
Lower lobe, left | 38 | 20 | 13 | 6 | ||
CEA, ng/ml (median; IQR) | 2.32; 1.53 ~ 3.93 | 3.67; 2.11 ~ 8.50 | 0.273 | 2.21; 1.53 ~ 3.52 | 3.59; 2.01 ~ 6.27 | 0.251 |
Lobulation | ||||||
(+) | 260 | 103 | 0.836 | 112 | 44 | 0.279 |
(−) | 6 | 2 | 1 | 0 | ||
Burr | ||||||
(+) | 249 | 102 | 0.176 | 112 | 44 | 0.688 |
(−) | 17 | 3 | 1 | 0 | ||
Pleural traction | ||||||
(+) | 45 | 53 | < 0.001 | 15 | 18 | < 0.001 |
(−) | 221 | 52 | 98 | 26 | ||
Solid components, cm (median; IQR) | 0.85; 0.50 ~ 1.3 | 2.05; 1.65 ~ 2.45 | < 0.001 | 0.95; 0.55 ~ 1.4 | 2.1; 1.65 ~ 2.49 | < 0.001 |
SUVmax (median;IQR) | 3.68; 2.1 ~ 7.45 | 11.11; 8.92 ~ 15.31 | 0.145 | 3.57; 2.08 ~ 6.99 | 10.25; 7.1 ~ 13.36 | 0.279 |