Table 3 Distributions of CT scanners and scanning parameters in EGFR mutant and Wild Type groupes.
Image Group | Thin-Shp | Thin-Smo | Thick-Shp | Thick-Smo |
|---|---|---|---|---|
Slice Thickness (mm) | 1 | 1 | 5 | 5 |
Convolution Kernels | B70f / B70s | B30f/B31f/B31s | B70f/B70s | B30f/B31f/B31s |
EGFR Mutant | EGFR Wild Type | p | ||
Manufacturer SIEMENS | 23 | 28 | / | |
Scan Model | 0.396 | |||
Perspective | 12 | 10 | ||
Sensation 64 | 5 | 6 | ||
SOMATOM Definition AS | 2 | 1 | ||
SOMATOM Definition Flash | 4 | 9 | ||
SOMATOM Force | 0 | 2 | ||
KVP | 0.319 | |||
90 | 0 | 2 | ||
110 | 11 | 10 | ||
120 | 11 | 16 | ||
130 | 1 | 0 | ||
Exposure (mean ± SD mAs) | 123 ± 60 | 99 ± 55 | 0.143 | |
Pixel Spacing (mean ± SD mm) | 0.655 ± 0.053 | 0.630 ± 0.055 | 0.107 | |
Pitch (mean ± SD mm) | 1.31 ± 0.56 | 1.11 ± 0.21 | 0.153 | |
Contrast Agent | 0.753 | |||
APPLIED | 19 | 21 | ||
Non-APPLIED | 4 | 7 |
