Multiphase computed tomography radiomics of pancreatic intraductal papillary mucinous neoplasms to predict malignancy

Table 5 Venous phase radiomics features (P < 0.05) for the intraductal papillary mucinous neoplasm study cohort

Variables	SD	P value	OR per 1 SD increase	95%CI lower	Upper	AUC(95%CI)
Log2 (GLCM_energy)	0.805	0.006	0.28	0.11	0.69	0.836 (0.717-0.955)
Log2 (energy_HU)	2.575	0.002	4.46	1.75	11.37	0.834 (0.716-0.953)
Log2 (GLCM_angular_ second_moment)	1.609	0.006	0.28	0.11	0.7	0.834 (0.714-0.954)
GLCM_entropy	1.709	0.006	3.53	1.44	8.63	0.822 (0.703- 0.941)
Log2 (max_HU)	0.832	0.019	4.57	1.29	16.17	0.762 (0.613-0.911)
Entropy_HU	0.379	0.016	2.5	1.19	5.26	0.757 (0.616-0.899)
Transverse_length_mm	18.85	0.018	2.78	1.19	6.48	0.743 (0.588-0.898)
Log2 (surface_area_mm2)	1.639	0.012	2.67	1.25	5.73	0.735 (0.574-0.895)
Volumetric_length_mm	26.82	0.028	3.01	1.13	7.99	0.731 (0.565-0.897)
Antpost_length_mm	16.65	0.049	2.28	1.01	5.18	0.729 (0.565-0.893)
Log2 (GLCM_row_var)	0.766	0.04	2.33	1.04	5.2	0.709 (0.554-0.863)
GLCM_row_SD	10.69	0.042	2.99	1.05	8.55	0.709 (0.554-0.863)
Log2 (variance_HU)	0.765	0.04	2.33	1.04	5.19	0.707 (0.552-0.861)
SD_HU	10.68	0.042	2.98	1.04	8.52	0.707 (0.552-0.861)
Cranialcaudal_length_mm	16.91	0.047	2.05	1.01	4.14	0.706 (0.543-0.868)
Log2 (GLCM_col_var)	0.758	0.026	2.57	1.13	5.84	0.705 (0.549-0.86)
Surface_area_to_volume_ratio_mm	0.204	0.042	0.42	0.18	0.96	0.705 (0.54-0.869)
GLCM_col_SD	11.37	0.032	2.89	1.1	7.55	0.702 (0.547-0.858)
Root_mean_square	19.63	0.045	2.18	1.02	4.66	0.702 (0.543-0.862)
Mean_deviation_HU	6.058	0.041	2.11	1.03	4.32	0.696 (0.539-0.853)
GLCM_correlation	0.099	0.027	2.19	1.1	4.38	0.684 (0.527-0.841)

SD: Standard deviation; OR: Odds ratio; CI: Confidence interval; AUC: Area under the curve; GLCM: Gray level co-occurrence matrix; HU: Hounsfield units; VAR: Variance; COL: Column.