Impact of non-alcoholic hepatic steatosis on prognosis and clinical outcomes in gastric cancer patients undergoing laparoscopic distal gastrectomy

doi:10.4240/wjgs.v17.i9.106198

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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

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World J Gastrointest Surg. Sep 27, 2025; 17(9): 106198
Published online Sep 27, 2025. doi: 10.4240/wjgs.v17.i9.106198

Table 2 Clinicopathological characteristics before and after propensity score-matching adjusting for major clinical parameters including sex, age, pathological T stage, pathological N stage, reconstructive techniques and laparoscopic approach

Variables	Before PSM				After PSM
Variables	NAFLD (n = 52)	Controls (n = 1070)	P value	SMD	NAFLD (n = 52)	Controls (n = 208)	P value	SMD
Surgery time (minutes), mean (SD)	198.9 (52.7)	189.2 (46.5)	0.144	0.195	198.9 (52.7)	194.6 (47.1)	0.704	0.087
Complication			0.927	0.046			0.608	0.121
Yes (%)	5 (9.6)	118 (11.0)			5 (9.6)	28 (13.5)
No (%)	47 (90.3)	952 (89.0)			47 (90.3)	180 (86.5)
Complication (Grade III to V)			1	0.053			1	0.053
Yes (%)	2 (3.8)	31 (2.9)			2 (3.8)	6 (2.9)
No (%)	50 (96.2)	1039 (97.1)			50 (96.2)	202 (97.1)
T stage			0.438	0.383			0.886	0.171
T1 (%)	32 (61.5)	540 (50.5)			32 (61.5)	126 (60.6)
T2-3 (%)	11 (21.1)	370 (34.6)			11 (21.1)	48 (23.1)
T4 (%)	9 (17.3)	160 (15.0)			9 (17.3)	34 (16.3)
N stage			0.028^a	0.531			0.809	0.176
N0 (%)	38 (73.1)	587 (54.9)			38 (73.1)	152 (73.1)
N1-2 (%)	7 (13.5)	288 (26.9)			7 (13.5)	30 (14.4)
N3 (%)	7 (13.4)	195 (18.2)			7 (13.4)	26 (12.5)
pTNM stage (AJCC 8th)			0.123	0.502			0.846	0.251
I A-B (%)	34 (65.4)	564 (52.7)			34 (65.4)	142 (68.3)
II A-B (%)	8 (15.4)	219 (20.5)			8 (15.4)	32 (15.4)
III A-C (%)	10 (19.2)	287 (26.8)			10 (19.2)	34 (16.3)
Neural invasion			0.067	0.306			0.521	0.133
Yes (%)	9 (17.3)	323 (30.2)			9 (17.3)	47 (22.6)
No (%)	43 (82.7)	747 (69.8)			43 (82.7)	161 (77.4)
Vascular invasion			0.687	0.080			0.479	0.135
Yes (%)	14 (26.9)	327 (30.6)			14 (26.9)	44 (21.2)
No (%)	38 (73.1)	743 (69.4)			38 (73.1)	164 (78.8)
Retrieved lymph nodes [mean (SD)]	39.2 (12.3)	42.5 (11.1)	0.040^a	0.279	39.2 (12.3)	42.5 (12.5)	0.058	0.271
Positive lymph nodes [mean (SD)]	3.4 (8.8)	3.27 (6.1)	0.868	0.020	3.4 (8.8)	3.0 (7.0)	0.949	0.058
Positive lymph nodes rate [mean (SD)]	0.56 (1.04)	0.79 (1.02)	0.112	0.224	0.56 (1.04)	0.55 (1.02)	0.992	0.005

^aP < 0.05, statistically significant.

NAFLD: Non-alcoholic fatty liver disease; PSM: Propensity score-matching; SMD: standardized mean difference.

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Citation: Zou YF, Zhang YG, Zhao ZC, Li Z, Liu HD, Li QY, Chen ZT, Zhu CJ, Liu HT, Wang JW, Li FY, Wang LJ, Zhang DC, Yang L, Xu H, Xu ZK, Wang S. Impact of non-alcoholic hepatic steatosis on prognosis and clinical outcomes in gastric cancer patients undergoing laparoscopic distal gastrectomy. World J Gastrointest Surg 2025; 17(9): 106198
URL: https://www.wjgnet.com/1948-9366/full/v17/i9/106198.htm
DOI: https://dx.doi.org/10.4240/wjgs.v17.i9.106198

Zou YF, Zhang YG, Zhao ZC, Li Z, Liu HD, Li QY, Chen ZT, Zhu CJ, Liu HT, Wang JW, Li FY, Wang LJ, Zhang DC, Yang L, Xu H, Xu ZK, Wang S. Impact of non-alcoholic hepatic steatosis on prognosis and clinical outcomes in gastric cancer patients undergoing laparoscopic distal gastrectomy. World J Gastrointest Surg 2025; 17(9): 106198 [PMID: 41024801 DOI: 10.4240/wjgs.v17.i9.106198]

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