Table 7.

Top 10 features used in radiomic classifiers.

Classification Type	Image Adjustment	Clinical Features	Radiomic Features
Ventilation Requirement	Unadjusted	None	1. Laws L5E5  2. Gabor XY θ = 1.571 λ = 1.786  3. Gradient Diagonal  4. Laws E5S5  5. Laws W5E5  6. Laws L5E5  7. Laws W5R5  8. Laws S5E5  9. Haralick Entropy Ws7  10. Haralick Correlation Ws7
		Expert Scores, Patient Age and Sex	1. ES Lower Left  2. Age  3. ES Middle Left  4. Sex  5. ES Middle Right  6. Laws W5E5  7. Laws W5R5  8. Laws E5S5 9. Gradient Diagonal  10. ES Lower Right  11. Laws R5E5 12. Laws E5E5  13. Laws E3S3  14. Laws R5W5  15. Laws W5W5  16. Laws S5E5  17. Laws S5W5  18. Laws S5L5  19. Gradient dy
	Histogram Matching	None	1. Gradient Y  2. Laws E5S5  3. Laws L5S5
		Expert Scores, Patient Age and Sex	1. Laws E3S3  2. LawsR5R5  3. ES Middle Right  4. ES Lower Right  5. Gabor XY θ = 0.785 λ = 1.276  6. ES Middle Left  7. ES Lower Left  8. Gabor XY θ = 1.963 λ = 1.276  9. Grey Standard Deviation 10. Laws L5S5  11. Gabor XY θ = 1.178 λ = 1.786  12. Haralick Entropy Ws3  13. Gradient Sobel Y  14. Gabor XY θ = 1.178 λ = 0.765  15. Haralick Information Ws5
Mortality	Unadjusted	None	1. Haralick Correlation Ws5
		Expert Scores, Patient Age and Sex	1. Age  2. Haralick Correlation Ws5  3. ES Middle Right  4. ES Lower Left
	Histogram Matching	None	1. Laws R5E5  2. Gradient Y  3. Laws E3S3  4. Haralick Entropy Ws 5
		Expert Scores, Patient Age and Sex	1. Age  2. ES Lower Left  3. ES Middle Right  4. Laws R5E5  5. ES Upper Right6. ES Lower Right  7. Gradient Y  8. Gradient Sobel YX  9. Laws E3 S3  10. Gradient dx  11. Haralick Entropy