Table 1 Comparison of basic clinical information and imaging characteristics of WT and CCSK in the training and test sets
From: CT radiomics to differentiate between Wilms tumor and clear cell sarcoma of the kidney in children
Characteristics | Training set (n = 81) | Test set (n = 35) | ||||
|---|---|---|---|---|---|---|
WT (n = 58) | CCSK (n = 23) | P value | WT (n = 25) | CCSK (n = 10) | P value | |
Gender | 0.270 | 0.060 | ||||
Male | 30 | 15 | 10 | 8 | ||
Female | 28 | 8 | 15 | 2 | ||
Age (years, mean \(\pm\) std) | 2.48 \(\pm\) 1.94 | 2.27 \(\pm\) 2.18 | 0.297 | 3.05 \(\pm\) 2.20 | 2.80 \(\pm\) 2.65 | 0.465 |
Maximum tumor diameter (mm, mean \(\pm\) std) | 86.19 \(\pm\) 30.82 | 103.43 \(\pm\) 26.24 | 0.021 | 94.54 \(\pm\) 21.13 | 88.09 \(\pm\) 32.06 | 0.488 |
Presence of dilated peritumoral cyst | 0.005 | 0.107 | ||||
Yes | 14 | 13 | 5 | 5 | ||
No | 44 | 10 | 20 | 5 | ||
CTmax/CT renal vein | 0.77 \(\pm\) 0.21 | 0.86 \(\pm\) 0.24 | 0.091 | 0.68 \(\pm\) 0.16 | 0.77 \(\pm\) 0.27 | 0.217 |