Construction of a predictive model for gastric cancer neuroaggression and clinical validation analysis: A single-center retrospective study

doi:10.4240/wjgs.v16.i8.2602

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World Journal of Gastrointestinal Surgery

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1948-9366

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Retrospective Study

World J Gastrointest Surg. Aug 27, 2024; 16(8): 2602-2611
Published online Aug 27, 2024. doi: 10.4240/wjgs.v16.i8.2602

Table 2 Energy spectrum computed tomography parameter analysis of 80 gastric cancer patients

Project	PNI positive group (n = 54)	PNI negative (n = 26)	T/Z value	P value
Arterial phase
CT value [Hu, M (Q1, Q3)]	67.240 (56.800, 80.290)	59.130 (52.585, 71.875)	1.141	0.264
CT_{60 kev} [Hu, M (Q1, Q3)]	88.040 (72.260, 107.690)	62.370 (60.235, 75.330)	3.018	0.002
CT_{70 kev} [Hu, M (Q1, Q3)]	68.690 (59.260, 86.120)	56.750 (50.760, 67.735)	2.584	0.009
CT_{80 kev} (Hu, mean ± SD)	61.944 ± 14.476	50.405 ± 9.996	2.584	0.014
CT_{90 kev} (Hu, mean ± SD)	54.610 ± 11.875	45.160 ± 8.884	2.540	0.015
CT_{100 kev} (Hu, mean ± SD)	49.912 ± 10.568	41.404 ± 8.025	2.562	0.014
CT_{110 kev} (Hu, mean ± SD)	46.061 ± 9.261	38.783 ± 7.537	2.463	0.018
IC [μg/cm³, M (Q1, Q3)]	14.400 (11.320, 18.720)	11.310 (10.375, 13.815)	1.863	0.064
ICao (μg/cm³, mean ± SD)	105.161 ± 21.732	114.863 ± 18.730	-1.380	0.176
NIC [M (Q1, Q3)]	0.135 (0.097, 0.205)	0.097 (0.090, 0.125)	1.891	0.060
Portal venous phase
CT value (Hu, mean ± SD)	97.302 ± 21.606	78.460 ± 15.938	2.792	0.008
CT_{60 kev}[Hu, M (Q1, Q3)]	120.317 ± 28.755	97.011 ± 23.240	2.544	0.015
CT_{70 kev}[Hu, M (Q1, Q3)]	94.877 ± 21.566	80.289 ± 19.614	2.061	0.046
CT_{80 kev} (Hu, mean ± SD)	78.673 ± 17.013	65.790 ± 14.930	2.329	0.125
CT_{90 kev} (Hu, mean ± SD)	67.918 ± 14.126	57.403 ± 12.745	2.273	0.029
CT_{100 kev} (Hu, mean ± SD)	60.452 ± 12.191	51.541 ± 11.360	2.212	0.033
CT_{110 kev} (Hu, mean ± SD)	55.154 ± 10.891	47.410 ± 10.376	2.138	0.039
IC [μg/cm³, M (Q1, Q3)]	55.154 ± 10.891	18.270 (13.440, 18.960)	2.902	0.003
ICao [ug/cm³, M (Q1, Q3)]	48.350 (40.200, 52.150)	44.180 (36.690, 51.945)	0.462	0.648
NIC (mean ± SD)	0.528 ± 0.184	0.402 ± 0.098	2.799	0.008

CT: Computed tomography; IC: Iodine concentration; ICao: Normalized iodine concentration in the same abdominal aorta; NIC: Normalized iodine concentration; M: Median.

Citation: Lan YY, Han J, Liu YY, Lan L. Construction of a predictive model for gastric cancer neuroaggression and clinical validation analysis: A single-center retrospective study. World J Gastrointest Surg 2024; 16(8): 2602-2611
URL: https://www.wjgnet.com/1948-9366/full/v16/i8/2602.htm
DOI: https://dx.doi.org/10.4240/wjgs.v16.i8.2602